Perhaps you should try some spelling variations:
"literatura del _ islam." » "literatura de _ islam.", "literatura en _ islam."
"literatura den e islas." » "literatura de e islas.", "literatura en e islas.", "literatura el e islas.", "literatura den el islas.", "literatura din e islas."
"literatura e el islam." » "literatura de el islam.", "literatura en el islam.", "literatura es el 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 del _ islam.") or ((("literatura den e islas.") or ("literatura e el islam."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura del _ islam.") OR ((("literatura den e islas.") OR ("literatura e el islam."))))*.
• Removing quotes may allow a broader search: (( literatura del _ islam. ) or ((( literatura den e islas. ) or ( literatura e el islam. ))))*.