Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trung » hanh trang, manh trung, danh trung
tong cong » trong cong, cong cong, dung cong
ho trieu » mot trieu, 25 trieu, ho chieu
30 trieu » 25 trieu
cua tong » cua cong, cua dong, cua nong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho trieu) or (30 trieu)) tinh - ((hanh trung) or (thanh trung)) cua tong cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (30 trieu)) tinh - ((hanh trung) OR (thanh trung)) cua tong cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (30 trieu)) tinh - ((hanh trung) or (thanh trung)) cua tong cong san toan cau*.