Perhaps you should try some spelling variations:
hanh mang » nhanh mang, hanh trang, nhanh lang
dung cong » dung trong
ho trieu » mot trieu, 25 trieu, ho chieu
30 trieu » 25 trieu
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban
mang va » mang vua, hang va, bang va
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: ((ho trieu) or (30 trieu)) tinh - hanh mang va dung cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (30 trieu)) tinh - hanh mang va dung cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (30 trieu)) tinh - hanh mang va dung cong van toan ban*.