Perhaps you should try some spelling variations:
literatura o » literatura e, literatura _, literatura con
literatura a » literatura al, literatura e, literatura en
del islam » el islam
di isaac » _ isaac, c isaac, e isaac
o del » y del, o el, o de
de di » de mi, de si
a de » y de, _ de, o de

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: (((( literatura o del islam. ) OR ( literatura de di isaac. ))) OR ( literatura a de isaac. ))~.
• Adding a wildcard symbol may retrieve word variants: (((( literatura o del islam. ) or ( literatura de di isaac. ))) or ( literatura a de isaac. ))*.