Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
mot trieu » mot chieu, mot tri, mon triet
dung cong » dung trong
30 trieu » 25 trieu
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: ((mot trieu) or (30 trieu)) tinh - ((hanh trinh) or (canh tranh)) cua dung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot trieu) OR (30 trieu)) tinh - ((hanh trinh) OR (canh tranh)) cua dung cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((mot trieu) or (30 trieu)) tinh - ((hanh trinh) or (canh tranh)) cua dung cong tan toan cao*.