Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhieu tang » chieu sang, hieu lang, nhiet nang
truong cua » truong quan, truong cao, huong cua
truong ca » truong cao, truong va, trong ca
nhung don » nhung van, nhung bo
vat phan » va phan, van phan, sat phan
phan cau » phan dau, phan cac, phan tu
don vat » dong vat, don va, dan vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) or (nhieu tang)) - thanh ((truong cua) OR (truong ca)) nhung don vat phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (nhieu tang)) - thanh ((truong cua) OR (truong ca)) nhung don vat phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) or (nhieu tang)) - thanh ((truong cua) OR (truong ca)) nhung don vat phan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (nhieu tang)) - thanh ((truong cua) OR (truong ca)) nhung don vat phan cau*.