Perhaps you should try some spelling variations:
luan chung » luan chinh
tranh luan » trinh luan, trinh luat, doanh luan
chung cong » nhung cong, chong cong, phung cong
khia canh » kho canh, thi canh
khi xanh » thi hanh, thi anh, thi oanh
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((khi xanh) or (khia canh)) - canh tranh luan chung cong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((khi xanh) OR (khia canh)) - canh tranh luan chung cong van toan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((khi xanh) or (khia canh)) - canh tranh luan chung cong van toan cau*.