Perhaps you should try some spelling variations:
hanh bang » hanh mang, lanh bang, hanh trang
chua bang » chu bang, chua nang, chua xang
bang cong » dang cong, bang song, hang cong
30 trieu » 25 trieu
anh bang » anh hoang, anh quang, tinh bang
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: 30 trieu tinh - ((hanh bang) or (anh bang)) chua bang cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - ((hanh bang) OR (anh bang)) chua bang cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - ((hanh bang) or (anh bang)) chua bang cong san toan cau*.