Perhaps you should try some spelling variations:
"literature arab e isla." » "literatura arabe e isla.", "literature early e isla.", "literatura para e isla.", "literature arabe e isla.", "literature arabes e isla.", "literature arabe de isla.", "literature arab e islas.", "literature arab de isla.", "literature arab e islam."
"literature arab _ isla." » "literatura arabe _ isla.", "literature early _ isla.", "literatura para _ isla."
"literatura mas en islam." » "literatura temas en islam.", "literatura al en islam.", "literatura a en islam.", "literatura mas el islam.", "literatura mas e islam.", "literatura mas un islam.", "literatura masas en 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 en islam.") OR ((("literature arab e isla.") OR ("literature arab _ isla."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"literatura mas en islam.\") or (((\"literature arab e isla.\") OR (\"literature arab _ isla.\"))))~".
• Removing quotes may allow a broader search: (( literatura mas en islam. ) or ((( literature arab e isla. ) OR ( literature arab _ isla. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("literatura mas en islam.") or ((("literature arab e isla.") OR ("literature arab _ isla."))))*.