Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
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: theo chieu tinh - thanh trung ((cua dung) OR (cua dang)) cong tac toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - thanh trung ((cua dung) OR (cua dang)) cong tac toan cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - thanh trung ((cua dung) OR (cua dang)) cong tac toan cao*.