Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
chinh tan » chinh tai, chinh ta, chinh ban
trong dan » trong dang, trong san, trong tan
tan dung » tran dung, tin dung, van dung
dan than » dan chan, ban than, van 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 thieu sach - hanh chinh tan dung trong dan than ban~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh chinh tan dung trong dan than ban*.