Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
cac cau » cac mau, bac cau, cac cam
ca cau » cua cau, can 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: theo chieu sach - canh tranh cua nhung ((cong dan) or (cong san)) ((ca cau) OR (cac cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh tranh cua nhung ((cong dan) OR (cong san)) ((ca cau) OR (cac cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - canh tranh cua nhung ((cong dan) or (cong san)) ((ca cau) OR (cac cau))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh tranh cua nhung ((cong dan) or (cong san)) ((ca cau) OR (cac cau))*.