Perhaps you should try some spelling variations:
"literatura del de islam." » "literatura de de islam.", "literatura en de islam.", "literatura del del islam.", "literatura del e islam.", "literatura del de islas.", "literatura del de isaacm.", "literatura del dean islam."
"literatura o de isla." » "literatura e de isla.", "literatura a de isla.", "literatura con de isla.", "literatura o de isaac.", "literatura y de isla."
"literatura _ de ilam." » "literatura _ de chilam."

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