Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, doi chieu
trung ha » trung hoc, trung tam, trung cap
cong tac » cong ty
toan tap » toan ban
ha dung » hai dung, kha dung, nha dung

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 ha dung ((cong san) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung ha dung ((cong san) OR (cong tac)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung ha dung ((cong san) or (cong tac)) toan tap*.