Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
dang quang » dung quang, nang quan, dang hung
doi chieu » doc hieu, doi chi, ho chieu
cong cong » cong dong, trong cong, dung cong
cong dang » cong dong, cong dan, cong dung
quang cao » nang cao, quang nam
trung ha » trung hoc, trung cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh ((trung ha) or (trung tam)) cong cong dang quang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((trung ha) OR (trung tam)) cong cong dang quang cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh ((trung ha) or (trung tam)) cong cong dang quang cao*.