Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hanh mang » nhanh mang, nhanh lang, thanh hang
dung cong » dung trong
30 trieu » 25 trieu
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban
va dung » van dung, va duong, vat dung

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 mang) or (hanh trang)) va dung cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - ((hanh mang) OR (hanh trang)) va dung cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - ((hanh mang) or (hanh trang)) va dung cong van toan ban*.