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