Perhaps you should try some spelling variations:
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
ho trieu » mot trieu, 25 trieu, 30 trieu
va thong » va thuong, va phuong, he thong
tac toan » tam toan, hach toan, tich toan
tap toan » tap doan, tap quan, bai toan
tung va » trung va, tuong va, dung va

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 tinh - thanh tung va thong cong ((((tac toan) or (tap toan))) or (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - thanh tung va thong cong ((((tac toan) OR (tap toan))) OR (tinh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - thanh tung va thong cong ((((tac toan) or (tap toan))) or (tinh toan)) cau*.