Perhaps you should try some spelling variations:
"literatura isabel del islam." » "literatura arabe del islam.", "literatura imanol del islam.", "literatura diamela del islam.", "literatura isabel de islam.", "literatura isabel el islam."
"literatura _ de islam." » "literatura _ e islam.", "literatura _ de ilam.", "literatura _ de islas.", "literatura _ de isaacm."
"literatura _ de isla." » "literatura _ 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 _ de islam.") or ("literatura _ de isla."))) or ("literatura isabel del islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura _ de islam.") OR ("literatura _ de isla."))) OR ("literatura isabel del islam.")).
• Removing quotes may allow a broader search: (((( literatura _ de islam. ) or ( literatura _ de isla. ))) or ( literatura isabel del islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura _ de islam.") or ("literatura _ de isla."))) or ("literatura isabel del islam."))*.