Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
co trieu » cac trieu, cau trieu, mot trieu
van toan » van tuan, van tan, van thanh
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: co trieu tinh - canh tranh cua nhung cong ((van toan) or (((dan than) or (ban than)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co trieu tinh - canh tranh cua nhung cong ((van toan) OR (((dan than) OR (ban than)))) cau.
• Adding a wildcard symbol may retrieve word variants: co trieu tinh - canh tranh cua nhung cong ((van toan) or (((dan than) or (ban than)))) cau*.