Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
chat cau » chat cam, chat cao, chat va
chat bao » chat ban, thuat bao, nhat ban

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) OR (chiet tach)) - canh tranh cua dung cong san ((chat cau) or (chat bao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - canh tranh cua dung cong san ((chat cau) OR (chat bao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chiet tach)) - canh tranh cua dung cong san ((chat cau) or (chat bao))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chiet tach)) - canh tranh cua dung cong san ((chat cau) or (chat bao))*.