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

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