Perhaps you should try some spelling variations:
thanh khong » thanh hong, thinh khong, thanh chuong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
gian dan » gian lang
dan dung » van dung, tin dung, ap dung
dung san » dong san, dung sai, dung luan
san toan » van toan, dan toan, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) OR (chieu sang)) - thanh khong gian dan dung san toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sang)) - thanh khong gian dan dung san toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sang)) - thanh khong gian dan dung san toan ban*.