Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan ran » tan tran, tan van, tan san
ran cau » van cau, ban cau, can cau

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) or (ho chieu)) xanh - canh tranh luan dung cong tan ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (ho chieu)) xanh - canh tranh luan dung cong tan ran cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (ho chieu)) xanh - canh tranh luan dung cong tan ran cau*.