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
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan 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 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 ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chua xang)) - canh tranh luan hung cong tan van ban*.