Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
tranh luan » trinh luan, trinh luat, doanh luan
doi chieu » doc hieu, doi chi, ho chieu
lang cong » bang cong, hang cong, lang dong
dang cong » dung cong
dan chan » dan gian, dan ca, van chat
chan ta » chan tha, nhan tai, nhan tao

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 (theo chieu)) sang - canh tranh luan ((lang cong) OR (dang cong)) dan chan ta~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (theo chieu)) sang - canh tranh luan ((lang cong) OR (dang cong)) dan chan ta.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (theo chieu)) sang - canh tranh luan ((lang cong) OR (dang cong)) dan chan ta".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo chieu)) sang - canh tranh luan ((lang cong) OR (dang cong)) dan chan ta*.