Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung tam, tran tuan, truong thanh
trong hach » trong mach, trong cach, trong hanh
hach toan » thanh toan, manh toan
ho chieu » theo chieu, hoc thieu, doi chieu
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 (trung thanh)) dung trong hach toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung tuan) OR (trung thanh)) dung trong hach toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung tuan) or (trung thanh)) dung trong hach toan cao*.