Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
doi chieu » doc hieu, doi chi, ho chieu
van nhung » van nhuong, va nhung, van hung
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap
cao cho » cap cho, cao chat

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 (cao cho)) xanh - tranh luan ((van nhung) or (van dong)) cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (cao cho)) xanh - tranh luan ((van nhung) OR (van dong)) cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (cao cho)) xanh - tranh luan ((van nhung) or (van dong)) cong san toan cau*.