Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
thuat cao » thuat co, thuat bao, thuat cam
ho chieu » theo chieu, hoc thieu, doi chieu
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
than cao » toan cao, thai cao, 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: ho chieu sach - canh tranh cua dong cong tan ((than cao) or (thuat cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh cua dong cong tan ((than cao) OR (thuat cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh cua dong cong tan ((than cao) or (thuat cao))*.