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 bao » thuat bai, thuat giao, thuat do
chi sach » chinh sach, co sach, moi sach
cua dong » chua dong, cua cong, cua dang
cong san » cong tac
chat cau » chat cam, chat cao, chat va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi sach) or (chieu sach)) - canh tranh cua dong cong san ((chat cau) or (thuat bao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (chieu sach)) - canh tranh cua dong cong san ((chat cau) OR (thuat bao)).
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) or (chieu sach)) - canh tranh cua dong cong san ((chat cau) or (thuat bao))*.