Perhaps you should try some spelling variations:
dien sach » dien anh
chinh sua » chinh su, chinh cua, chinh luan
sua nhung » cua nhung, qua nhung, chua nhung
tuong van » truong van, trong van, thong van
duong van » duong va, luong va, dang van
doc dien » duoc dien, doi dien, do dien
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: doc dien sach - hanh chinh sua nhung ((tuong van) OR (duong van)) ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc dien sach - hanh chinh sua nhung ((tuong van) OR (duong van)) ((toan ban) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc dien sach - hanh chinh sua nhung ((tuong van) OR (duong van)) ((toan ban) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: doc dien sach - hanh chinh sua nhung ((tuong van) OR (duong van)) ((toan ban) or (toan cao))*.