Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
nho chieu » ho chieu, nho hieu, theo chieu
cao thong » cao thuong, tao thong, cao phong
tung cao » nung cao, truong cao, trung cap
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho chieu sang - thanh tung cao thong ((cong dan) or (cong san)) ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho chieu sang - thanh tung cao thong ((cong dan) OR (cong san)) ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: nho chieu sang - thanh tung cao thong ((cong dan) or (cong san)) ((than cau) or (toan cau))*.