Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, truong thanh
dang tuong » dang thuong, bang tuong, dang cuong
tran tuan » tran xuan, tran quang, tran thanh
tuong tac » cong tac, luong tai, tuong lai
tac toan » tap toan, tam toan, hach toan
toan cau » 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 xanh - thanh ((trung tuan) or (tran tuan)) dang tuong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh ((trung tuan) OR (tran tuan)) dang tuong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh ((trung tuan) or (tran tuan)) dang tuong tac toan cau*.