Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
nhanh lang » nhanh quang, nhanh thang, nhan dang
tong cong » trong cong, cong cong, dung cong
cong dan » cong san, cong tan, huong dan
lang va » lang van, hang va, lang ha
va tong » va thong, va tuong, va trong
dan van » dang van, doan van, dao van

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) OR (chieu xanh)) - nhanh lang va tong cong dan van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - nhanh lang va tong cong dan van ban*".