Perhaps you should try some spelling variations:
"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 e islam."
"literatura y de islas." » "literatura y e islas.", "literatura y de isla.", "literatura y de isaias."
"literatura de fe islam." » "literatura de e islam.", "literatura de del islam.", "literatura de el islam."

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 o de islam.") OR ("literatura y de islas."))) OR ("literatura de fe islam."))~.
• Removing quotes may allow a broader search: (((( literatura o de islam. ) or ( literatura y de islas. ))) or ( literatura de fe islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura o de islam.") or ("literatura y de islas."))) or ("literatura de fe islam."))*.