Perhaps you should try some spelling variations:
thanh tung » thanh cong
cua thuong » cua truong, cua phuong, ca thuong
cua khong » hua khong, cua phuong, cua cong
tan thanh » tran thanh, tang thanh, toan thanh
thanh cap » thanh lap, hanh cap, than cap
30 trieu » 25 trieu
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: 30 trieu tinh - ((thanh trung) or (thanh tung)) ((cua khong) OR (cua thuong)) cong tan thanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - ((thanh trung) OR (thanh tung)) ((cua khong) OR (cua thuong)) cong tan thanh cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "30 trieu tinh - ((thanh trung) or (thanh tung)) ((cua khong) OR (cua thuong)) cong tan thanh cap".
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - ((thanh trung) or (thanh tung)) ((cua khong) OR (cua thuong)) cong tan thanh cap*.