Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong san » cong tac
can cau » van cau, ban cau, cac cau
ca cau » cua cau, cac cau, ca cac

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) or (chieu tinh)) - canh tranh cua hang cong san ((can cau) or (ca cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu tinh)) - canh tranh cua hang cong san ((can cau) OR (ca cau)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu tinh)) - canh tranh cua hang cong san ((can cau) or (ca cau))*.