Perhaps you should try some spelling variations:
"literature spain _ isla." » "literatura espana _ isla."
"literatura mas el islam." » "literatura temas el islam.", "literatura al el islam.", "literatura a el islam.", "literatura mas en islam."
"literatura de fe isla." » "literatura de de isla.", "literatura de e isla.", "literatura de de 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 mas el islam.") OR ((("literatura de fe isla.") OR ("literature spain _ isla."))))~.
• Removing quotes may allow a broader search: (( literatura mas el islam. ) or ((( literatura de fe isla. ) or ( literature spain _ isla. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("literatura mas el islam.") or ((("literatura de fe isla.") or ("literature spain _ isla."))))*.