Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thanh trung » thanh tung
soc thiet » hoc thiet, so thiet, toc thieu
dung cong » dung trong
ho chiet » ho chieu, ho thiet, hoc thiet
dan dung » van dung, tin dung, ap dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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 chiet) or (soc thiet)) tach - ((thanh thuong) or (thanh trung)) dan dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (soc thiet)) tach - ((thanh thuong) OR (thanh trung)) dan dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) or (soc thiet)) tach - ((thanh thuong) or (thanh trung)) dan dung cong tac toan cau*.