Perhaps you should try some spelling variations:
"literatura para _ islam." » "literatura arabe _ islam.", "literatura al _ islam.", "literatura a _ islam."
"literatura en de islam." » "literatura espana de islam.", "literatura en del islam.", "literatura en de isla.", "literatura en e islam."
"literatura de de isaacm." » "literatura de de isaac.", "literatura de e isaac.", "literatura de fe isaacm.", "literatura de di isaacm."

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