Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
thanh van » thanh san, thanh toan, thanh phan
ban nhung » san nhung, ban phuong, gian nhung
cong vang » cong lang, cong quang, cong ngang
cong van » cong san, song van, cong tan

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)) - thanh van ban nhung ((cong van) OR (cong vang)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - thanh van ban nhung ((cong van) OR (cong vang)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chieu xanh)) - thanh van ban nhung ((cong van) OR (cong vang)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu xanh)) - thanh van ban nhung ((cong van) OR (cong vang)) toan ban*.