Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
trung cap » truong cao, trung tam
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
trung ha » trung hoc, trung tam
cong tan » cong tac, cong san, cong thanh
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 sang - thanh ((trung ha) or (trung cap)) dung cong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ((trung ha) OR (trung cap)) dung cong tan tran cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh ((trung ha) or (trung cap)) dung cong tan tran cao*.