Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong quan » cuong quan, cong quang, hong quan
tong quan » thong quan, tong luan, luong quan
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac

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 - thanh ((cong quan) or (tong quan)) trong cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((cong quan) OR (tong quan)) trong cong tan than cap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((cong quan) or (tong quan)) trong cong tan than cap*.