Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
khang cong » hang cong, thanh cong, dang cong
doi chieu » doc hieu, doi chi, mot chieu
dai khang » dai khoang, doi khang, dai thang
ho chieu » theo chieu, hoc thieu, mot chieu
so thiet » soc thiet, hoc thiet, hoa thiet
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 (doi chieu))) or (so thiet)) tach - thanh truong dai khang cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (doi chieu))) OR (so thiet)) tach - thanh truong dai khang cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((ho chieu) OR (doi chieu))) or (so thiet)) tach - thanh truong dai khang cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) OR (doi chieu))) or (so thiet)) tach - thanh truong dai khang cong tac toan cau*.