Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
30 trieu » 25 trieu
tung cua » trung cua, tuong cua, dung cua
san toan » van toan, dan toan, manh toan
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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 tung cua nhung cong ((san toan) or (((dan than) OR (van than)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - thanh tung cua nhung cong ((san toan) OR (((dan than) OR (van than)))) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "30 trieu tinh - thanh tung cua nhung cong ((san toan) or (((dan than) OR (van than)))) cau".
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - thanh tung cua nhung cong ((san toan) or (((dan than) OR (van than)))) cau*.