Perhaps you should try some spelling variations:
theo tiem » them niem, thep tieu
tong cong » trong cong, cong cong, dung cong
tan thanh » tran thanh, tang thanh, toan thanh
thanh bac » nhanh bac, thanh bai, thanh san
trang va » hang va
tran van » luan van
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tiem) or (theo tieu)) nang - hanh ((trang va) or (tran van)) tong cong tan thanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tiem) OR (theo tieu)) nang - hanh ((trang va) OR (tran van)) tong cong tan thanh bac.
• Adding a wildcard symbol may retrieve word variants: ((theo tiem) or (theo tieu)) nang - hanh ((trang va) or (tran van)) tong cong tan thanh bac*.