Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
doi chieu » doc hieu, doi chi, ho chieu
hanh dung » thanh dung, anh dung, hanh dong
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
cong san » cong tac
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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