Perhaps you should try some spelling variations:
"literatura en _ islam." » "literatura de _ islam.", "literatura espana _ islam."
"literatura ha de ilam." » "literatura a de ilam.", "literatura de de ilam.", "literatura e de ilam.", "literatura ha de chilam.", "literatura la de ilam."
"literatura _ de islam." » "literatura _ del islam.", "literatura _ de isla.", "literatura _ e islam."

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