Perhaps you should try some spelling variations:
"literatura ha de islam." » "literatura a de islam.", "literatura en de islam.", "literatura el de islam.", "literatura ha de isla.", "literatura ha e islam.", "literatura ha de ilam.", "literatura la de islam."
"literatura e de isaac." » "literatura en de isaac.", "literatura del de isaac.", "literatura de de isaac.", "literatura y de isaac.", "literatura _ de isaac."
"literatura de del islam." » "literatura de el islam.", "literatura dde del islam.", "literatura dy del islam.", "literatura d_ del islam."

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