Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
bien tinh » bi tinh, yen tinh, diep 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 tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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 (bien tinh)) - anh mang cua cong cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (bien tinh)) - anh mang cua cong cong tac than cau*.