Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
luan chung » luan chinh
doi chieu » doc hieu, doi chi, ho chieu
hanh san » thanh san, khach san, thanh son
san luan » dan luan, tang luan, hang luan
cong van » cong vang, song van, cong va
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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: doi chieu sach - hanh san luan chung ((((cong van) or (cong tan))) or (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh san luan chung ((((cong van) OR (cong tan))) OR (cong san)) than cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh san luan chung ((((cong van) or (cong tan))) or (cong san)) than cau*.