Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh dung » thanh dung, anh dung, hanh dong
cua trong » cua truong, cua trung, qua trong
doc hieu » toc thieu, hoc thieu, hoc hien
dung cua » dung luan, dung cho
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
than cao » toan cao, thai cao, 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 (doc hieu)) tinh - hanh dung cua trong ((cong tan) or (cong san)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doc hieu)) tinh - hanh dung cua trong ((cong tan) OR (cong san)) than cao.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doc hieu)) tinh - hanh dung cua trong ((cong tan) or (cong san)) than cao*.