Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
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: doi ((chieu sach) or (chieu tinh)) - thanh tung cua nhung ((cong ban) or (cong tan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu tinh)) - thanh tung cua nhung ((cong ban) OR (cong tan)) than cap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chieu tinh)) - thanh tung cua nhung ((cong ban) or (cong tan)) than cap*.