Perhaps you should try some spelling variations:
"literatura francesas en islam." » "literatura francesa en islam.", "literatura francia en islam.", "literatura francisco en islam.", "literatura franceses en islam.", "literatura frances en islam.", "literatura francesas el islam.", "literatura francesas e islam.", "literatura francesas un islam."
"literature arab en islam." » "literatura arabe en islam.", "literature early en islam.", "literatura para en islam.", "literature arab el islam.", "literature arab e islam.", "literature arab un islam.", "literature arabe en islam.", "literature aaab en islam.", "literature arar 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: (("literature arab en islam.") OR ("literatura francesas en islam."))~.
• Removing quotes may allow a broader search: (( literature arab en islam. ) or ( literatura francesas en islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (("literature arab en islam.") or ("literatura francesas en islam."))*.