Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
khang cong » hang cong, thanh cong, dang cong
truong va » truong dai, truong cao, truong dao
ho chieu » theo chieu, hoc thieu, doi chieu
so thiet » soc thiet, hoc thiet, hoa thiet
va khang » van khang, va hang, va khong
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 chieu) or (so thiet)) tach - thanh truong va khang cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (so thiet)) tach - thanh truong va khang cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (so thiet)) tach - thanh truong va khang cong tac toan cau*.