Perhaps you should try some spelling variations:
literatura arabe » literatura de, literatura e, literatura al
literatura breve » literatura de, literatura en, literatura del
literatura a » literatura al, literatura e, literatura de
en islam » el islam, e islam, un islam
e islas » el islam
a e » a de, a el, a en

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 a e islas.\") or (\"((literatura arabe) OR (literatura breve)) en islam.\"))~".
• Removing quotes may allow a broader search: (( literatura a e islas. ) or ( ((literatura arabe) or (literatura breve)) en islam. ))~.