Perhaps you should try some spelling variations:
"literatura y de islam." » "literatura y del islam.", "literatura y de isla.", "literatura y de ilam.", "literatura y de islas.", "literatura y ddel islam."
"literatura de en islam." » "literatura de el islam.", "literatura de un islam.", "literatura de en ilam.", "literatura fe en islam."
"literatura _ e islam." » "literatura _ el islam.", "literatura _ e islas.", "literatura _ del islam."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("literatura _ e islam.") or ("literatura y de islam."))) or ("literatura de en islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura _ e islam.") OR ("literatura y de islam."))) OR ("literatura de en islam.")).
• Removing quotes may allow a broader search: (((( literatura _ e islam. ) or ( literatura y de islam. ))) or ( literatura de en islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura _ e islam.") or ("literatura y de islam."))) or ("literatura de en islam."))*.