Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
hien sach » dien sach, kien sach, thien hach
chinh sua » chinh su, chinh cua, chinh luan
sua nhung » cua nhung, qua nhung, chua nhung
huong van » huong dan, duong van, hong van
toan ban » van ban
toan cao » toan tap

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 - hanh chinh sua nhung huong van ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - hanh chinh sua nhung huong van ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - hanh chinh sua nhung huong van ((toan ban) or (toan cao))*.