Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
thong cua » thong quan, thong tu, huong cua
tang luan » dung luan
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chua xang - hanh ((thong cua) or (tang luan)) nhung cong tac tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - hanh ((thong cua) OR (tang luan)) nhung cong tac tran cau.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - hanh ((thong cua) or (tang luan)) nhung cong tac tran cau*.