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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("literature arab en islam.") OR ("literatura francesas en islam."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"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."))*.