diff --git a/src/pages/content-management/ContentManagementLayout.tsx b/src/pages/content-management/ContentManagementLayout.tsx
index 5e7dfa0..6b58302 100644
--- a/src/pages/content-management/ContentManagementLayout.tsx
+++ b/src/pages/content-management/ContentManagementLayout.tsx
@@ -6,7 +6,6 @@ const tabs = [
   { label: "Courses", to: "/content/courses" },
   { label: "Human Language", to: "/content/human-language" },
   { label: "Flows", to: "/content/flows" },
-  { label: "Speaking", to: "/content/speaking" },
   { label: "Practice", to: "/content/practices" },
   { label: "Questions", to: "/content/questions" },
 ]
diff --git a/src/pages/content-management/HumanLanguagePage.tsx b/src/pages/content-management/HumanLanguagePage.tsx
index f5d911a..03a4b98 100644
--- a/src/pages/content-management/HumanLanguagePage.tsx
+++ b/src/pages/content-management/HumanLanguagePage.tsx
@@ -5,17 +5,17 @@ import { Card, CardContent, CardHeader, CardTitle } from "../../components/ui/ca
 import { Button } from "../../components/ui/button"
 import { SpinnerIcon } from "../../components/ui/spinner-icon"
 import { getCourseCategories, getCoursesByCategory, getHumanLanguageLessonsByCourse } from "../../api/courses.api"
-import type { Course, CourseCategory, HumanLanguageLesson } from "../../types/course.types"
+import type { Course, HumanLanguageLesson } from "../../types/course.types"
 
 const CEFR_LEVELS = ["A1", "A2", "A3", "B1", "B2", "B3", "C1", "C2", "C3"] as const
 type CefrLevel = (typeof CEFR_LEVELS)[number]
 
 export function HumanLanguagePage() {
   const [loading, setLoading] = useState(false)
-  const [categories, setCategories] = useState<CourseCategory[]>([])
   const [courses, setCourses] = useState<Course[]>([])
   const [selectedCategoryId, setSelectedCategoryId] = useState<number | null>(null)
   const [selectedCourseId, setSelectedCourseId] = useState<number | null>(null)
+  const [selectedLessonId, setSelectedLessonId] = useState<number | "ALL">("ALL")
   const [selectedLevel, setSelectedLevel] = useState<CefrLevel | "ALL">("ALL")
   const [collapsedLevels, setCollapsedLevels] = useState<CefrLevel[]>([])
   const [lessonsByLevel, setLessonsByLevel] = useState<Record<CefrLevel, HumanLanguageLesson[]>>(
@@ -28,7 +28,6 @@ export function HumanLanguagePage() {
       try {
         const res = await getCourseCategories()
         const items = res.data?.data?.categories ?? []
-        setCategories(items)
         const humanLanguageCategory =
           items.find((c) => c.name.toLowerCase().includes("human language")) ??
           items.find((c) => c.name.toLowerCase().includes("language")) ??
@@ -50,6 +49,7 @@ export function HumanLanguagePage() {
         const items = res.data?.data?.courses ?? []
         setCourses(items)
         setSelectedCourseId(items[0]?.id ?? null)
+        setSelectedLessonId("ALL")
       } finally {
         setLoading(false)
       }
@@ -85,6 +85,18 @@ export function HumanLanguagePage() {
     () => (selectedLevel === "ALL" ? CEFR_LEVELS : [selectedLevel]).map((level) => ({ level, rows: lessonsByLevel[level] })),
     [lessonsByLevel, selectedLevel],
   )
+  const lessonOptions = useMemo(() => {
+    const seen = new Set<number>()
+    const options: { id: number; title: string }[] = []
+    for (const rows of Object.values(lessonsByLevel)) {
+      for (const lesson of rows) {
+        if (seen.has(lesson.id)) continue
+        seen.add(lesson.id)
+        options.push({ id: lesson.id, title: lesson.title })
+      }
+    }
+    return options.sort((a, b) => a.title.localeCompare(b.title))
+  }, [lessonsByLevel])
 
   const toggleLevel = (level: CefrLevel) => {
     setCollapsedLevels((prev) => (prev.includes(level) ? prev.filter((l) => l !== level) : [...prev, level]))
@@ -112,21 +124,7 @@ export function HumanLanguagePage() {
         </CardHeader>
         <CardContent className="grid grid-cols-1 gap-4 md:grid-cols-3">
           <div className="space-y-1.5">
-            <label className="text-xs font-medium uppercase tracking-wide text-grayScale-500">Category</label>
-            <select
-              className="h-10 w-full rounded-md border border-grayScale-200 bg-white px-3 text-sm"
-              value={selectedCategoryId ?? ""}
-              onChange={(e) => setSelectedCategoryId(Number(e.target.value))}
-            >
-              {categories.map((category) => (
-                <option key={category.id} value={category.id}>
-                  {category.name}
-                </option>
-              ))}
-            </select>
-          </div>
-          <div className="space-y-1.5">
-            <label className="text-xs font-medium uppercase tracking-wide text-grayScale-500">Course</label>
+            <label className="text-xs font-medium uppercase tracking-wide text-grayScale-500">Subcategory</label>
             <select
               className="h-10 w-full rounded-md border border-grayScale-200 bg-white px-3 text-sm"
               value={selectedCourseId ?? ""}
@@ -139,6 +137,23 @@ export function HumanLanguagePage() {
               ))}
             </select>
           </div>
+          <div className="space-y-1.5">
+            <label className="text-xs font-medium uppercase tracking-wide text-grayScale-500">Course</label>
+            <select
+              className="h-10 w-full rounded-md border border-grayScale-200 bg-white px-3 text-sm"
+              value={selectedLessonId}
+              onChange={(e) =>
+                setSelectedLessonId(e.target.value === "ALL" ? "ALL" : Number(e.target.value))
+              }
+            >
+              <option value="ALL">All courses</option>
+              {lessonOptions.map((lesson) => (
+                <option key={lesson.id} value={lesson.id}>
+                  {lesson.title}
+                </option>
+              ))}
+            </select>
+          </div>
           <div className="space-y-1.5">
             <label className="text-xs font-medium uppercase tracking-wide text-grayScale-500">Fetch lessons by level</label>
             <select
@@ -172,7 +187,10 @@ export function HumanLanguagePage() {
         </div>
       ) : (
         <div className="space-y-3">
-          {levelRows.map(({ level, rows }) => (
+          {levelRows.map(({ level, rows }) => {
+            const filteredRows =
+              selectedLessonId === "ALL" ? rows : rows.filter((lesson) => lesson.id === selectedLessonId)
+            return (
             <Card key={level} className="overflow-hidden border-grayScale-200/80 shadow-sm">
               <button
                 type="button"
@@ -183,16 +201,16 @@ export function HumanLanguagePage() {
                   {collapsedLevels.includes(level) ? <ChevronRight className="h-4 w-4" /> : <ChevronDown className="h-4 w-4" />}
                   <span className="text-sm font-semibold text-grayScale-900">{level}</span>
                   <span className="rounded-md bg-brand-100 px-2 py-0.5 text-xs font-medium text-brand-700">
-                    {rows.length} unit(s)
+                    {filteredRows.length} unit(s)
                   </span>
                 </div>
               </button>
               {!collapsedLevels.includes(level) ? (
                 <CardContent className="space-y-3 p-4">
-                  {rows.length === 0 ? (
+                  {filteredRows.length === 0 ? (
                     <p className="text-sm text-grayScale-500">No lessons found for this level.</p>
                   ) : (
-                    rows.map((lesson) => (
+                    filteredRows.map((lesson) => (
                       <div key={lesson.id} className="rounded-xl border border-grayScale-200 bg-white p-3">
                         <p className="text-sm font-semibold text-grayScale-900">{lesson.title}</p>
                         <p className="mt-1 text-xs text-grayScale-500">
@@ -212,7 +230,8 @@ export function HumanLanguagePage() {
                 </CardContent>
               ) : null}
             </Card>
-          ))}
+            )
+          })}
         </div>
       )}
     </div>