Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
mot trieu » mot chieu, mot tri, mon triet
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
tap doanh » tap doan, lap doanh, tap danh
ho trieu » 25 trieu, 30 trieu, ho chieu
tang cua » mang cua, hang cua, tang luan
doanh co » doanh cua, doanh va, anh co

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) OR (mot trieu)) tinh - hanh tang cua ((nhung cong) OR (dung cong)) tap doanh co~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) or (mot trieu)) tinh - hanh tang cua ((nhung cong) OR (dung cong)) tap doanh co~".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (mot trieu)) tinh - hanh tang cua ((nhung cong) OR (dung cong)) tap doanh co*.