Perhaps you should try some spelling variations:
"literatura arabe et isla." » "literatura breve et isla.", "literatura e et isla.", "literatura al et isla.", "literatura arabe en isla.", "literatura arabe e isla.", "literatura arabe el isla.", "literatura arabe el islam."
"literatura de et islam." » "literatura de el islam.", "literatura de e islam.", "literatura de del islam.", "literatura de en islam.", "literatura de el islamm.", "literatura de eta islam.", "literatura de pt islam."
"literatura de en islam." » "literatura de el islam.", "literatura de e islam.", "literatura de un islam.", "literatura fe en islam."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("literatura de et islam.") OR ("literatura de en islam."))) or ("literatura arabe et isla."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura de et islam.") OR ("literatura de en islam."))) OR ("literatura arabe et isla.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura de et islam.\") OR (\"literatura de en islam.\"))) or (\"literatura arabe et isla.\"))".
• Removing quotes may allow a broader search: (((( literatura de et islam. ) OR ( literatura de en islam. ))) or ( literatura arabe et isla. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura de et islam.") OR ("literatura de en islam."))) or ("literatura arabe et isla."))*.