Perhaps you should try some spelling variations:
"literatura 5o del islam." » "literatura con del islam.", "literatura de del islam.", "literatura en del islam.", "literatura 5o el islam."
"literatura e de isaac." » "literatura de de isaac.", "literatura en de isaac.", "literatura del de isaac.", "literatura _ de isaac.", "literatura o de isaac."
"literatura y de islam." » "literatura y de isla.", "literatura y e islam.", "literatura y de ilam."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("literatura 5o del islam.") or ("literatura e de isaac."))) or ("literatura y de islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura 5o del islam.") OR ("literatura e de isaac."))) OR ("literatura y de islam.")).
• Removing quotes may allow a broader search: (((( literatura 5o del islam. ) or ( literatura e de isaac. ))) or ( literatura y de islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura 5o del islam.") or ("literatura e de isaac."))) or ("literatura y de islam."))*.