Perhaps you should try some spelling variations:
danh khong » nganh khong, dinh hong, anh thong
xanh khong » nganh khong, anh thong, benh khong
khoa than » khoa luan, hoa thai, hoa tan
than mang » than man, toan mang, thong mang
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
may minh » may tinh, mai minh, van minh
te sach » toc sach

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((danh khong) OR (xanh khong)) chuyen đe ky thuat: kien thuc anh khoa than mang may minh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((danh khong) OR (xanh khong)) chuyen đe ky thuat: kien thuc anh khoa than mang may minh".
• Adding a wildcard symbol may retrieve word variants: te sach ((danh khong) OR (xanh khong)) chuyen đe ky thuat: kien thuc anh khoa than mang may minh*.