Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
chinh xuan » chinh luan, chinh ngan, dinh xuan
xuan thong » xuat thong, xuan thang, xuan truong
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
tang ban » tang bang, tiang ban, tang van
tan ban » toan ban, van ban, can ban

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: hoc thieu sach - hanh chinh xuan thong cong ((tan ban) OR (tang ban)) cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh chinh xuan thong cong ((tan ban) or (tang ban)) cau*.