Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung dong » nhung don, nhung cong, nhung dung
doi chieu » doc hieu, doi chi, mot chieu
hoang bao » hoang cao, hoang hao, hoang thao
thanh hoa » thanh pho
bao qua » bao quan, bo qua, bao cua
hoa tap » khoa tap, hoc tap, hoa tan

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 - hoang bao qua ((nhung dong) or (ung dung)) thanh hoa tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hoang bao qua ((nhung dong) OR (ung dung)) thanh hoa tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hoang bao qua ((nhung dong) or (ung dung)) thanh hoa tap*.