Perhaps you should try some spelling variations:
"literatura arabes e isla." » "literatura arabe e isla.", "literatura arte e isla.", "literature arab e isla.", "literatura arabes e islas.", "literatura arabes de isla.", "literatura arabes e islam."
"literatura en de isaac." » "literatura espana de isaac."
"literatura de el islam." » "literatura de el islas."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("literatura arabes e isla.") or ("literatura en de isaac."))) or ("literatura de el islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura arabes e isla.") OR ("literatura en de isaac."))) OR ("literatura de el islam.")).
• Removing quotes may allow a broader search: (((( literatura arabes e isla. ) or ( literatura en de isaac. ))) or ( literatura de el islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura arabes e isla.") or ("literatura en de isaac."))) or ("literatura de el islam."))*.