Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
dang cong » dung cong
30 trieu » 25 trieu
ban toan » bai toan, ban than, van toan
toan tap » toan ban

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 tuan ((nhung cong) or (dang cong)) ban toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - thanh trung tuan ((nhung cong) OR (dang cong)) ban toan tap.
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - thanh trung tuan ((nhung cong) or (dang cong)) ban toan tap*.