Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung don » nhung van, nhung bo
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
than cau » toan cau, phan cau, than cap
phan cac » nhan cach, phan dau, phan lap
cong cu » chung cu

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 cong cu ((nhung don) or (dung cong)) dan ((than cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh cong cu ((nhung don) OR (dung cong)) dan ((than cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh cong cu ((nhung don) or (dung cong)) dan ((than cau) or (phan cac))*.