Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
trong dang » truong dang, trong dan, trong dong
trong san » cong san, dong san, trong ca
thoai cac » tai cac, thong cac, tho cac
ho chieu » theo chieu, hoc thieu, doi chieu
tung vat » dung vat, tang vat, tung va
vat dung » van dung, va dung, viet dung

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 tung vat dung ((((trong dang) or (trong cac))) or (trong san)) thoai cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung vat dung ((((trong dang) OR (trong cac))) OR (trong san)) thoai cac.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung vat dung ((((trong dang) or (trong cac))) or (trong san)) thoai cac*.