Perhaps you should try some spelling variations:
"literatura de d_ isaacm." » "literatura de de isaac.", "literatura de _ isaac.", "literatura de di isaacm.", "literatura de de isaacm.", "literatura de dc isaacm."
"literatura de e isaac." » "literatura de de isaac.", "literatura de en isaac.", "literatura de _ isaac.", "literatura de el isaac.", "literatura de fe isaac."
"literatura de x islam." » "literatura de e islam.", "literatura de _ islam.", "literatura de el islam.", "literatura del x islam.", "literatura de ex islam.", "literatura de ix 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 d_ isaacm.") or ("literatura de e isaac."))) or ("literatura de x islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura de d_ isaacm.") OR ("literatura de e isaac."))) OR ("literatura de x islam.")).
• Removing quotes may allow a broader search: (((( literatura de d_ isaacm. ) or ( literatura de e isaac. ))) or ( literatura de x islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura de d_ isaacm.") or ("literatura de e isaac."))) or ("literatura de x islam."))*.