Perhaps you should try some spelling variations:
"literatura o del islam." » "literatura e del islam.", "literatura a del islam.", "literatura _ del islam.", "literatura o el islam.", "literatura y del islam.", "literatura o de islam."
"literatura de de islam." » "literatura de e islam.", "literatura de de ilam.", "literatura de de islas.", "literatura de de isaacm.", "literatura de fe islam.", "literatura de di islam."
"literatura y de isla." » "literatura y de isaac."

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 o del islam.") or ("literatura de de islam."))) or ("literatura y de isla."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura o del islam.") OR ("literatura de de islam."))) OR ("literatura y de isla.")).
• Removing quotes may allow a broader search: (((( literatura o del islam. ) or ( literatura de de islam. ))) or ( literatura y de isla. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura o del islam.") or ("literatura de de islam."))) or ("literatura y de isla."))*.