Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung tam, truong thanh
tran tuan » tran xuan, tran quang, tran thanh
trong tac » trong cac, tuong tac, trong tan
ho chieu » theo chieu, hoc thieu, doi chieu
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 chieu xanh - thanh ((((trung tuan) OR (tran tuan))) or (trung thanh)) dung trong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((((trung tuan) OR (tran tuan))) OR (trung thanh)) dung trong tac toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((((trung tuan) OR (tran tuan))) or (trung thanh)) dung trong tac toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((((trung tuan) OR (tran tuan))) or (trung thanh)) dung trong tac toan cao*.