Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
hanh dung » thanh dung, anh dung, hanh dong
luan hung » luan chung, lan hung, luan ung
luan han » luan hoan, luan phan, luan van
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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