Perhaps you should try some spelling variations:
"literatura en est islam." » "literatura espana est islam.", "literatura en e islam.", "literatura en este islam.", "literatura en esta islam.", "literatura en esa islam."
"literatura de fe islam." » "literatura de e islam.", "literatura de de islam.", "literatura de del islam."
"literatura del el islam." » "literatura del eln islam.", "literatura del eo 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 del el islam.") OR ("literatura en est islam."))) OR ("literatura de fe islam."))~.
• Removing quotes may allow a broader search: (((( literatura del el islam. ) or ( literatura en est islam. ))) or ( literatura de fe islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura del el islam.") or ("literatura en est islam."))) or ("literatura de fe islam."))*.