Perhaps you should try some spelling variations:
"literatura arabe y islam." » "literatura breve y islam.", "literatura e y islam.", "literatura al y islam.", "literatura caribe y islam.", "literatura arabes e islam.", "literatura arabe e islam.", "literatura arabe _ islam.", "literatura arabe el islam."
"literatura de en islam." » "literatura de el islam.", "literatura de e islam.", "literatura de en ilam.", "literatura fe en islam."
"literatura de un islam." » "literatura de el islam.", "literatura de e islam.", "literatura de al islam."

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 de en islam.") OR ("literatura de un islam."))) OR ("literatura arabe y islam."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura de en islam.\") OR (\"literatura de un islam.\"))) or (\"literatura arabe y islam.\"))~".
• Removing quotes may allow a broader search: (((( literatura de en islam. ) OR ( literatura de un islam. ))) or ( literatura arabe y islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura de en islam.") OR ("literatura de un islam."))) or ("literatura arabe y islam."))*.