Perhaps you should try some spelling variations:
cdoanh van » doanh va, doanh ban, canh van
doanh van » doanh va, doanh ban, doanh nhan
dung cong » dung trong
30 trieu » 25 trieu
doan van » doan va, hoang van, luan van
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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: 30 trieu tinh - ((((cdoanh van) OR (doan van))) OR (doanh van)) cua dung cong dan toan cao~.
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - ((((cdoanh van) or (doan van))) or (doanh van)) cua dung cong dan toan cao*.