Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
cong cong » cong dong, trong cong, dang cong
dung cong » dung trong
ban thanh » ban hanh, ban hang
theo chu » theo chieu, cho chu, chao chu
chu xang » chua xang, chu bang, chuc nang
ban than » van thanh, ban hang, ban hanh

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xang - canh tranh cua ((cong cong) OR (dung cong)) ((ban than) OR (ban thanh)) cau~.
• Adding a wildcard symbol may retrieve word variants: theo chu xang - canh tranh cua ((cong cong) or (dung cong)) ((ban than) or (ban thanh)) cau*.