Perhaps you should try some spelling variations:
"literatura _ de isaacm." » "literatura _ de isaac.", "literatura _ de islam.", "literatura _ e isaac."
"literatura y de isaacm." » "literatura y de isaac.", "literatura y de islam.", "literatura y e isaac."
"literatura de fe isla." » "literatura de de isla.", "literatura de e isla.", "literatura de de islam."

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 isaacm.") or ("literatura de fe isla."))) or ("literatura y de isaacm."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura _ de isaacm.") OR ("literatura de fe isla."))) OR ("literatura y de isaacm."))*.
• Removing quotes may allow a broader search: (((( literatura _ de isaacm. ) or ( literatura de fe isla. ))) or ( literatura y de isaacm. ))*.