Perhaps you should try some spelling variations:
sach luan » sach han, san luan
sach danh » sach tranh, sach dao, sach dung
dan luan » doanh luan, dung luan, tang luan
luan tri » quan tri, luan thi, luat tri
danh tai » doanh tai, dinh tai, hanh tai
su sach » so sach, vu sach
va dan » ca dan, va dao, va dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( vu ((sach luan) OR (sach luyen)) tri ) or ( va dan luan tri ))) or ( su sach danh tai ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( vu ((sach luan) OR (sach luyen)) tri ) OR ( va dan luan tri ))) OR ( su sach danh tai )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( vu ((sach luan) OR (sach luyen)) tri ) or ( va dan luan tri ))) or ( su sach danh tai ))".
• Adding a wildcard symbol may retrieve word variants: (((( vu ((sach luan) OR (sach luyen)) tri ) or ( va dan luan tri ))) or ( su sach danh tai ))*.