Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
hanh dung » thanh dung, anh dung, hanh dong
dang cong » dung cong
cong khan » cong khanh, cong nhan, cong phan
khan phan » than phan, khan than, phan phan
dung lua » dung luan, dung luat, dung cua
lua dang » cua dang, lua sang, luan nang
phan dau » phan tu, hang dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sang - hanh dung lua dang cong khan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sang - hanh dung lua dang cong khan phan dau*.