Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
chinh ca » chinh ta, chinh va, chinh tai
ca nhung » cua nhung, cam nhung, va nhung
dan toan » van toan, manh toan, xuan toan
van tuan » van quan, van ban, anh tuan
dan than » dan chan, ban than, van than

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh chinh ca nhung cong ((((dan toan) OR (van tuan))) OR (dan than)) cau~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh chinh ca nhung cong ((((dan toan) or (van tuan))) or (dan than)) cau*.