Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
lanh manh » lanh tranh, lan anh, van manh
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
ca ban » can ban, cac ban, co ban

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 - lanh manh cua dung ((cong dan) or (cong tan)) ((ca ban) or (cua ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - lanh manh cua dung ((cong dan) OR (cong tan)) ((ca ban) OR (cua ban)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - lanh manh cua dung ((cong dan) or (cong tan)) ((ca ban) or (cua ban))*.