Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
lieu tinh » trieu tinh, diep tinh, bien tinh
cong cong » cong dong, trong cong, dung cong
anh mang » hanh mang, anh bang, anh dang
mang cua » manh cua, dung cua, ban cua
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: theo ((chieu sach) or (lieu tinh)) - anh mang cua cong cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (lieu tinh)) - anh mang cua cong cong tan than cap.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (lieu tinh)) - anh mang cua cong cong tan than cap*.