Perhaps you should try some spelling variations:
cong ngang » cong nhan, cong quang, cong nong
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
chinh cua » chinh ca, chinh sua, hinh cua
cong lang » cong vang, cong luong, cong quang
cua dung » cua dang, cua dong, qua dung
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 chieu sach - hanh chinh cua dung ((cong ngang) or (cong lang)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh chinh cua dung ((cong ngang) OR (cong lang)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh chinh cua dung ((cong ngang) or (cong lang)) toan ban*.