Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
truong van » trong van, truong va, truong dai
trong vat » trong van, trong va, trong dat
trong dan » trong dang, trong san, trong tan
dan thanh » dang thanh, danh thanh, ban thanh
thanh lap » thanh san, phan lap, thanh hai

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 sach) OR (chinh sach)) - thanh ((truong van) or (trong vat)) dung trong dan thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - thanh ((truong van) OR (trong vat)) dung trong dan thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chinh sach)) - thanh ((truong van) or (trong vat)) dung trong dan thanh lap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chinh sach)) - thanh ((truong van) or (trong vat)) dung trong dan thanh lap*.