Perhaps you should try some spelling variations:
thieu lang » hieu lang, thieu khang, thieu quang
dang phung » dang hung, bang phuong, dung phuong
phung dung » phuong dung, nhung dung, phung dang
hoc thieu » toc thieu, hoc hien
hanh dang » hanh dong, anh dang, hanh dung
cong manh » cong danh, duong manh, cong thanh
cong dan » cong san, cong tan, huong dan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu lang - hanh dang phung dung ((cong manh) or (cong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu lang - hanh dang phung dung ((cong manh) OR (cong dan)) toan cao*.