Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
luan chung » luan chinh
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan ban » van ban

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