Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
hanh bang » hanh mang, lanh bang, hanh trang
thanh van » thanh san, thanh toan, thanh phan
30 trieu » 25 trieu
anh bang » anh hoang, anh quang, tinh bang
cua rung » cua trung, cua rang, cua truong
cua dang » cua cong, cua 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 - ((hanh bang) or (anh bang)) ((cua rung) or (cua dang)) cong thanh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - ((hanh bang) OR (anh bang)) ((cua rung) OR (cua dang)) cong thanh van ban.
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - ((hanh bang) or (anh bang)) ((cua rung) or (cua dang)) cong thanh van ban*.