Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
trung cap » truong cao, trung tam
dang cong » dung cong
30 trieu » 25 trieu
dan toan » van toan, dan than, 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: 30 trieu tinh - thanh trung cap ((nhung cong) or (dang cong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - thanh trung cap ((nhung cong) OR (dang cong)) dan toan cau.
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - thanh trung cap ((nhung cong) or (dang cong)) dan toan cau*.