Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong vat » truong van, trong vat, truong viet
truong va » truong dai, truong cao, truong dao
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang

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