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