Perhaps you should try some spelling variations:
hung cong » nhung cong, hung cuong, phung cong
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cong cam » cong cau, cong cac, cong nam
cam hung » cac chung, cam nang, van hung
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sach - thanh cong cam hung cong dan ((than cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - thanh cong cam hung cong dan ((than cau) OR (toan tap))*.