Perhaps you should try some spelling variations:
"literatura arabes e islam." » "literatura arabe e islam.", "literatura arte e islam.", "literature arab e islam.", "literatura arabes el islam.", "literatura arabes e islas.", "literatura arabes del islam."
"literatura de de islam." » "literatura de del islam.", "literatura de de isla.", "literatura de de ilam.", "literatura de de islas.", "literatura de ddel islam.", "literatura de fe islam.", "literatura de di islam."
"literatura de de islas." » "literatura de e islas.", "literatura de de isla.", "literatura de de isaias.", "literatura de fe islas.", "literatura de di islas."

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 de islam.") OR ("literatura de de islas."))) OR ("literatura arabes e islam."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura de de islam.\") OR (\"literatura de de islas.\"))) or (\"literatura arabes e islam.\"))~".
• Removing quotes may allow a broader search: (((( literatura de de islam. ) OR ( literatura de de islas. ))) or ( literatura arabes e islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura de de islam.") OR ("literatura de de islas."))) or ("literatura arabes e islam."))*.