Perhaps you should try some spelling variations:
"literatura para _ isla." » "literatura arabe _ isla.", "literatura al _ isla.", "literatura a _ isla."
"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 de di isaacm." » "literatura de de isaac.", "literatura de mi isaacm.", "literatura de si 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 di isaacm.") or ("literatura del de islam."))) or ("literatura para _ isla."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura de di isaacm.") OR ("literatura del de islam."))) OR ("literatura para _ isla.")).
• Removing quotes may allow a broader search: (((( literatura de di isaacm. ) or ( literatura del de islam. ))) or ( literatura para _ isla. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura de di isaacm.") or ("literatura del de islam."))) or ("literatura para _ isla."))*.