Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
dang thanh » dong thanh, dang hanh, hoang thanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
25 trieu » 30 trieu
van toan » van tuan, van tan, van thanh
van than » van thanh, van thang, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: 25 trieu tinh - canh tranh cua nhung cong ((van toan) or (((dang thanh) or (van than)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 25 trieu tinh - canh tranh cua nhung cong ((van toan) OR (((dang thanh) OR (van than)))) cau.
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - canh tranh cua nhung cong ((van toan) or (((dang thanh) or (van than)))) cau*.