Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
thanh tran » thanh trang, thanh toan, thanh tra
tuong cong » truong cong, trong cong, tong cong
van tuong » van truong, van thuong, van duong
tran van » luan van
tac than » tac thanh, tac nhan, bac thanh
tam than » ban than

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (chiet tach)) - thanh tran van tuong cong ((tac than) or (tam than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - thanh tran van tuong cong ((tac than) OR (tam than)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chiet tach)) - thanh tran van tuong cong ((tac than) or (tam than)) cau*.