Perhaps you should try some spelling variations:
"literatura al de isaac." » "literatura el de isaac.", "literatura del de isaac.", "literatura en de isaac.", "literatura al den isaac.", "literatura al d_ isaac.", "literatura al dc isaac.", "literatura al dr isaac."
"literatura de fe isla." » "literatura de de isla.", "literatura de e isla.", "literatura de de islam."
"literatura y e isaac." » "literatura y en isaac.", "literatura y _ isaac.", "literatura y c isaac.", "literatura y el isaac.", "literatura y de isaac."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("literatura al de isaac.") or ("literatura de fe isla."))) or ("literatura y e isaac."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura al de isaac.") OR ("literatura de fe isla."))) OR ("literatura y e isaac."))*.
• Removing quotes may allow a broader search: (((( literatura al de isaac. ) or ( literatura de fe isla. ))) or ( literatura y e isaac. ))*.