Perhaps you should try some spelling variations:
"literatura ballagas e islam." » "literatura gallega e islam.", "literatura belga e islam.", "literatura castellanas e islam.", "literatura ballagas en islam.", "literatura ballagas e islas."
"literatura a del islam." » "literatura al del islam.", "literatura e del islam.", "literatura de del islam.", "literatura y del islam.", "literatura a el islam.", "literatura o del islam."
"literatura o el islam." » "literatura e el islam.", "literatura _ el islam.", "literatura con el islam.", "literatura y 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 ballagas e islam.") or ((("literatura a del islam.") or ("literatura o el islam."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura ballagas e islam.") OR ((("literatura a del islam.") OR ("literatura o el islam.")))).
• Removing quotes may allow a broader search: (( literatura ballagas e islam. ) or ((( literatura a del islam. ) or ( literatura o el islam. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura ballagas e islam.") or ((("literatura a del islam.") or ("literatura o el islam."))))*.