Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
tranh cua » manh cua
doanh cua » doanh luan
dung cong » dung trong
ho trieu » mot trieu, 25 trieu, 30 trieu
van toan » van tuan, van tan, van thanh
toan cau » 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: ho trieu tinh - canh ((tranh cua) OR (doanh cua)) ((nhung cong) OR (dung cong)) van toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho trieu tinh - canh ((tranh cua) OR (doanh cua)) ((nhung cong) or (dung cong)) van toan cau~".
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - canh ((tranh cua) OR (doanh cua)) ((nhung cong) or (dung cong)) van toan cau*.