Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
trong cua » truong cua, thong cua, trong qua
ban thanh » ban hanh, ban hang
trong ca » trong cac, trong nha
van tan » van tuan, van ban, van tai

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 - hanh ((trong cua) or (trong ca)) nhung cong ((van tan) or (ban thanh)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((trong cua) OR (trong ca)) nhung cong ((van tan) OR (ban thanh)) cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((trong cua) or (trong ca)) nhung cong ((van tan) or (ban thanh)) cao*.