Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
cong dan » cong san, cong dong, cong tac
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac
tung ca » trung ca, tang ca, cung ca
ca dung » cao dung, cap dung, cu dung

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 tung ca dung ((((cong dan) or (cong tan))) or (huong dan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh tung ca dung ((((cong dan) OR (cong tan))) OR (huong dan)) than cap*.