Perhaps you should try some spelling variations:
"literatura del _ islam." » "literatura de _ islam.", "literatura en _ islam."
"literatura al e islam." » "literatura el e islam.", "literatura de e islam.", "literatura en e islam.", "literatura al el islam.", "literatura al del islam.", "literatura al de islam.", "literatura a e islam."
"literatura e e islas." » "literatura de e islas.", "literatura en e islas.", "literatura e el islam.", "literatura e de islas.", "literatura el e islas."

You may be able to get more results by adjusting your search query.

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