Perhaps you should try some spelling variations:
thanh chuong » thanh huong, thanh cong, nhanh chong
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
chuong va » thuong va, chong va, huong va
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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

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