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 ballagas del islam."
"literatura o de islam." » "literatura e de islam.", "literatura a de islam.", "literatura _ de islam.", "literatura o del islam.", "literatura o de isla.", "literatura o de ilam.", "literatura o de islas.", "literatura o ddel islam.", "literatura y de islam."
"literatura o el islam." » "literatura e el islam.", "literatura a el islam.", "literatura _ 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 o de 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 o de islam.") OR ("literatura o el islam.")))).
• Removing quotes may allow a broader search: (( literatura ballagas e islam. ) or ((( literatura o de islam. ) or ( literatura o el islam. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura ballagas e islam.") or ((("literatura o de islam.") or ("literatura o el islam."))))*.