Perhaps you should try some spelling variations:
"literatura arabe en islam." » "literatura breve en islam.", "literatura e en islam.", "literatura al en islam.", "literatura caribe en islam.", "literatura mabe en islam.", "literatura arabes e islam.", "literatura arabe el islam.", "literatura arabe e islam.", "literatura arabe un islam."
"literatura de fe isaac." » "literatura de e isaac.", "literatura de _ isaac.", "literatura de c isaac."
"literatura de de isaac." » "literatura de di 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 arabe en islam.") or ((("literatura de de isaac.") OR ("literatura de fe isaac."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura arabe en islam.") OR ((("literatura de de isaac.") OR ("literatura de fe isaac."))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"literatura arabe en islam.\") or (((\"literatura de de isaac.\") OR (\"literatura de fe isaac.\"))))*".
• Removing quotes may allow a broader search: (( literatura arabe en islam. ) or ((( literatura de de isaac. ) OR ( literatura de fe isaac. ))))*.