Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh dung » thanh dung, anh dung, hanh dong
luan tong » luan tuong, luan cong, luan dong
cong dan » cong tan, cong dong, cong tac
cong san » cong tac
chan cau » phan cau, can cau, chinh cau

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 - hanh dung luan tong ((((cong dan) or (huong dan))) or (cong san)) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh dung luan tong ((((cong dan) OR (huong dan))) OR (cong san)) chan cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh dung luan tong ((((cong dan) or (huong dan))) or (cong san)) chan cau*.