Perhaps you should try some spelling variations:
thanh trung » thanh tung
xuan thong » xuat thong, xuan thang, xuan truong
doi chieu » doc hieu, doi chi, ho chieu
xa truong » cac truong
ho chiet » ho chieu, ho thiet, hoc thiet
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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 (doi chieu)) tach - thanh trung ((xuan thong) or (xa truong)) cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (doi chieu)) tach - thanh trung ((xuan thong) OR (xa truong)) cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) or (doi chieu)) tach - thanh trung ((xuan thong) or (xa truong)) cong tac toan ban*.