Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
ngan dung » ngan hang, van dung, dan dung
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than ban » thanh ban, toan ban, than man

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 ngan dung cong tan than ban~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh chinh ngan dung cong tan than ban*.