Perhaps you should try some spelling variations:
"literatura para de isaac." » "literatura arabe de isaac.", "literatura al de isaac.", "literatura a de isaac.", "literatura parra de isaac.", "literatura parada de isaac.", "literatura para dar isaac."
"literatura _ del islam." » "literatura _ el islam."
"literatura de fe isaac." » "literatura de e isaac.", "literatura de _ isaac.", "literatura de c isaac."

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