Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
trung cap » trung tam
ban thanh » ban hang
ban hanh » ban hang

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 sang - thanh ((trung cap) or (truong cao)) nhung cong ((ban thanh) or (ban hanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh ((trung cap) OR (truong cao)) nhung cong ((ban thanh) OR (ban hanh)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh ((trung cap) or (truong cao)) nhung cong ((ban thanh) or (ban hanh)) cau*.