Perhaps you should try some spelling variations:
"literature arab el islam." » "literatura arabe el islam.", "literature early el islam.", "literatura para el islam.", "literature arabe el islam.", "literature ajab el islam.", "literature aram el islam."
"literature arab _ islas." » "literatura arabe _ islas.", "literature early _ islas.", "literatura para _ islas."
"literatura del eln isla." » "literatura de eln isla.", "literatura en eln isla.", "literatura del en isla.", "literatura del la isla.", "literatura del e isla.", "literatura del el isla.", "literatura el eln isla.", "literatura del eden isla."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("literature arab el islam.") or ("literature arab _ islas."))) or ("literatura del eln isla."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literature arab el islam.") OR ("literature arab _ islas."))) OR ("literatura del eln isla.")).
• Removing quotes may allow a broader search: (((( literature arab el islam. ) or ( literature arab _ islas. ))) or ( literatura del eln isla. )).
• Adding a wildcard symbol may retrieve word variants: (((("literature arab el islam.") or ("literature arab _ islas."))) or ("literatura del eln isla."))*.