Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
tuong cua » truong cua, huong cua, thong cua
dung cong » dung trong
hach toan » thanh toan, manh toan
ho trieu » mot trieu, 30 trieu, ho chieu
25 trieu » 30 trieu
cua dung » cua dang, cua dong, qua dung
tac toan » tap toan, tam toan, tich toan

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 tuong cua dung cong ((tac toan) OR (hach toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (25 trieu)) tinh - thanh tuong cua dung cong ((tac toan) OR (hach toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) or (25 trieu)) tinh - thanh tuong cua dung cong ((tac toan) OR (hach toan)) cao".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (25 trieu)) tinh - thanh tuong cua dung cong ((tac toan) OR (hach toan)) cao*.