Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chiet tach » chieu sach
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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 ((hieu manh) or (chiet tach)) - thanh thuong ((cua dung) OR (cua dang)) cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chiet tach)) - thanh thuong ((cua dung) OR (cua dang)) cong tac toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chiet tach)) - thanh thuong ((cua dung) OR (cua dang)) cong tac toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chiet tach)) - thanh thuong ((cua dung) OR (cua dang)) cong tac toan cao*.