Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
trang cua » tranh cua, tang cua, trung cua
25 trieu » 30 trieu
than cau » phan cau, than cap, thanh chau
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: 25 trieu tinh - hanh trang cua ((nhung cong) OR (thong cong)) dan ((than cau) OR (toan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "25 trieu tinh - hanh trang cua ((nhung cong) or (thong cong)) dan ((than cau) OR (toan cau))~".
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - hanh trang cua ((nhung cong) or (thong cong)) dan ((than cau) OR (toan cau))*.