Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
chua xang » chua nang, chuc nang, chu bang
luan hung » luan chung, lan hung, luan ung
hung cong » nhung cong, hung cuong, phung cong
chu xanh » chu manh, chieu xanh, chuc danh
tang van » dang van, hoang van, trong van
tan van » tran van, luan van, dang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) or (chua xang)) - canh tranh luan hung cong ((tan van) OR (tang van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - canh tranh luan hung cong ((tan van) OR (tang van)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chua xang)) - canh tranh luan hung cong ((tan van) OR (tang van)) ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chua xang)) - canh tranh luan hung cong ((tan van) OR (tang van)) ban*.