Perhaps you should try some spelling variations:
hanh tang » hanh trang, hanh mang, hanh tung
chua dang » cua dang, chua dong, chua nang
dang cong » dung cong
manh toan » thanh toan, anh tuan, tinh toan
30 trieu » 25 trieu
anh tang » anh bang, anh dang, anh nang
dan toan » van toan, dan than, xuan toan

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 tang) or (anh tang)) chua dang cong ((dan toan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - ((hanh tang) OR (anh tang)) chua dang cong ((dan toan) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - ((hanh tang) or (anh tang)) chua dang cong ((dan toan) or (manh toan)) cau*.