Perhaps you should try some spelling variations:
"literatura de del islam." » "literatura de el islam."
"literatura de fel islam." » "literatura de el islam.", "literatura de e islam.", "literatura de al islam.", "literatura de fez islam.", "literatura de feo islam.", "literatura de fer islam."
"literatura de e islas." » "literatura de el islam.", "literatura de el islas.", "literatura de fe islas.", "literatura de _ islas."

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