Perhaps you should try some spelling variations:
chong cong » cong cong, thong cong, cuong cong
chieu sang » chieu sach, chieu xanh, hieu lang
lan tranh » lanh tranh, luan tranh, can tranh
thanh ban » thanh san, thanh van, thanh bac
ho chieu » theo chieu, hoc thieu, doi chieu
va chong » va chuong, va cong, va thong
cong dan » cong san, cong tan, huong dan
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: ho chieu sang - ((lan tranh) or (canh tranh)) va chong cong dan ((thanh ban) or (than man))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((lan tranh) OR (canh tranh)) va chong cong dan ((thanh ban) OR (than man)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((lan tranh) or (canh tranh)) va chong cong dan ((thanh ban) or (than man))*.