Perhaps you should try some spelling variations:
thi chieu » thi chien, thi hieu, theo chieu
hanh ban » thanh ban, hang ban, hanh san
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
than cau » toan cau, phan cau, than cap
ban cua » ban quan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (theo tieu)) sach - hanh ban cua dung ((cong tan) OR (cong san)) than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thi chieu) or (theo tieu)) sach - hanh ban cua dung ((cong tan) OR (cong san)) than cau~".
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (theo tieu)) sach - hanh ban cua dung ((cong tan) OR (cong san)) than cau*.