Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tran thanh » ban thanh, van thanh, quan thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
hang cong » dang cong, hang nong, bang cong
cong tac » cong ty
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: hoc chieu xanh - hanh ((dung cho) or (((trung tam) or (tran thanh)))) hang cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((dung cho) OR (((trung tam) OR (tran thanh)))) hang cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((dung cho) or (((trung tam) or (tran thanh)))) hang cong tac toan cau*.