Perhaps you should try some spelling variations:
"literatura espana e islam." » "literatura espanola e islam.", "literatura mexicana e islam.", "literatura espana en islam.", "literatura espana el islam.", "literatura espana e islas.", "literatura espana del islam."
"literatura del _ islam." » "literatura de _ islam."
"literatura en de isla." » "literatura de de isla.", "literatura en de isaac."

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

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