Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
lanh tranh » lan tranh, hanh trinh, sach tranh
chong cong » cong cong, thong cong, cuong cong
doi chieu » doc hieu, doi chi, ho chieu
va chong » va chuong, va cong, va thong
cong dan » cong san, cong tan, huong dan
than ban » thanh ban, toan ban, nhuan ban
than man » than ma, thanh san, tran manh

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 tranh) or (canh tranh)) va chong cong dan ((than ban) or (than man))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((lanh tranh) OR (canh tranh)) va chong cong dan ((than ban) OR (than man)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((lanh tranh) or (canh tranh)) va chong cong dan ((than ban) or (than man))*.