Perhaps you should try some spelling variations:
trung quang » truong quang, trong quang, thuong quang
chieu xanh » chieu sach, chieu sang, chieu tinh
trung quan » truong quan, trong quan, trung tuan
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
tran cao » toan cao, tran chau, trang cho

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 quang) or (trung quan)) dung ((cong tan) OR (cong tac)) tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung quang) OR (trung quan)) dung ((cong tan) OR (cong tac)) tran cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((trung quang) or (trung quan)) dung ((cong tan) OR (cong tac)) tran cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung quang) or (trung quan)) dung ((cong tan) OR (cong tac)) tran cao*.