Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
luan phung » luan phuong, luan chung, luan phong
phung cong » nhung cong, phong cong, nhung chong
hanh dung » thanh dung, anh dung, hanh dong
ho chieu » hoc thieu, doi chieu, mot chieu
van toan » van tuan, van tan, van thanh
dan than » dan chan, ban than, van than

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 (ho chieu)) xanh - hanh dung luan phung cong ((van toan) or (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) xanh - hanh dung luan phung cong ((van toan) OR (dan than)) cao.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) xanh - hanh dung luan phung cong ((van toan) or (dan than)) cao*.