Perhaps you should try some spelling variations:
"literatura en e islam." » "literatura de e islam.", "literatura espana e islam.", "literatura en el islam.", "literatura en e islas.", "literatura en en islam.", "literatura en de islam."
"literatura da de isaac." » "literatura de de isaac.", "literatura a de isaac.", "literatura d de isaac.", "literatura la de isaac.", "literatura ha de isaac.", "literatura ma de isaac."
"literatura _ del islam." » "literatura _ el islam."

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 e islam.") OR ("literatura _ del islam."))) OR ("literatura da de isaac."))~.
• Removing quotes may allow a broader search: (((( literatura en e islam. ) or ( literatura _ del islam. ))) or ( literatura da de isaac. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura en e islam.") or ("literatura _ del islam."))) or ("literatura da de isaac."))*.