Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
toan ban » van ban

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 tach - hanh tang cua nhung ((cong thanh) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tach - hanh tang cua nhung ((cong thanh) OR (cong tac)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - hanh tang cua nhung ((cong thanh) or (cong tac)) toan ban*.