Perhaps you should try some spelling variations:
chinh quan » chinh luan, chinh quyen, chinh ngan
hien sach » kien sach, thien hach, chieu sach
dien sach » dien anh
quan long » quan lang, quan dong, quan hoang
long cong » luong cong, cong cong, tong cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien sach) or (dien sach)) - hanh chinh quan long cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien sach) OR (dien sach)) - hanh chinh quan long cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien sach) or (dien sach)) - hanh chinh quan long cong dan toan ban*.