Perhaps you should try some spelling variations:
"literatura e del islam." » "literatura en del islam.", "literatura del del islam.", "literatura e el islam.", "literatura de del islam.", "literatura 5e del islam.", "literatura y del islam."
"literatura de fe islam." » "literatura de e islam.", "literatura de de islam.", "literatura de el islam."
"literatura _ e islas." » "literatura _ 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 _ e islas.") OR ("literatura e del islam."))) OR ("literatura de fe islam."))~.
• Removing quotes may allow a broader search: (((( literatura _ e islas. ) or ( literatura e del islam. ))) or ( literatura de fe islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura _ e islas.") or ("literatura e del islam."))) or ("literatura de fe islam."))*.