Perhaps you should try some spelling variations:
"literatura del de islam." » "literatura de de islam.", "literatura del del islam.", "literatura del de isla.", "literatura del e islam.", "literatura del dean islam."
"literatura en dele islam." » "literatura de dele islam.", "literatura espana dele islam.", "literatura en del islam.", "literatura en el islam.", "literatura el dele islam.", "literatura en delhi islam."
"literatura _ de isaias." » "literatura _ de indias.", "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 del de islam.") or ("literatura _ de isaias."))) or ("literatura en dele islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura del de islam.") OR ("literatura _ de isaias."))) OR ("literatura en dele islam.")).
• Removing quotes may allow a broader search: (((( literatura del de islam. ) or ( literatura _ de isaias. ))) or ( literatura en dele islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura del de islam.") or ("literatura _ de isaias."))) or ("literatura en dele islam."))*.