Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sach » chinh sach, chiet tach, chieu sang
tran thanh » ban thanh, van thanh, quan thanh
hanh dang » hanh dong, anh dang, hanh dung
van nhung » van nhuong, va nhung, van hung
cong tran » cong tan, cong tuan, cong toan
thanh cha » thanh ha, thanh nha, thanh phan
hieu van » hieu va, thien van, lieu va
dang van » hoang van, hang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu van) or (chieu sach)) - hanh dang van nhung cong tran thanh cha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu van) OR (chieu sach)) - hanh dang van nhung cong tran thanh cha*.