diff --git a/courses/free-courses-vi.md b/courses/free-courses-vi.md
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--- a/courses/free-courses-vi.md
+++ b/courses/free-courses-vi.md
@@ -304,6 +304,7 @@
 
 ### Web Development
 
+* [Lập Trình Web Chuyên Sâu](https://www.youtube.com/playlist?list=PLiyVagO7GfBE1l9XIGemSpy8bnm7QDmsY) - J2Team
 * [Lập Trình Web Cơ Bản](https://www.youtube.com/playlist?list=PLiyVagO7GfBE3_b-4lJEVk7iq1pHQ-xcM) - J2Team