Perhaps you should try some spelling variations:
thanh tung » thanh cong
dung cong » dung trong
ho trieu » mot trieu, 30 trieu, ho chieu
25 trieu » 30 trieu
tung cua » trung cua, tuong cua, dung cua
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: ((ho trieu) or (25 trieu)) tinh - thanh tung cua dung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (25 trieu)) tinh - thanh tung cua dung cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (25 trieu)) tinh - thanh tung cua dung cong tac toan cao*.