Perhaps you should try some spelling variations:
"literatura al et islam." » "literatura el et islam.", "literatura del et islam.", "literatura de et islam.", "literatura al el islam.", "literatura al e islam.", "literatura al del islam."
"literatura al est islam." » "literatura el est islam.", "literatura del est islam.", "literatura de est islam.", "literatura al el islam.", "literatura al e islam.", "literatura al este islam."
"literatura e et islam." » "literatura de et islam.", "literatura en et islam.", "literatura del et islam.", "literatura e el islam.", "literatura e e islam.", "literatura e del islam.", "literatura e en islam.", "literatura y et 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 al et islam.") OR ("literatura al est islam."))) or ("literatura e et islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura al et islam.") OR ("literatura al est islam."))) OR ("literatura e et islam.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura al et islam.\") OR (\"literatura al est islam.\"))) or (\"literatura e et islam.\"))".
• Removing quotes may allow a broader search: (((( literatura al et islam. ) OR ( literatura al est islam. ))) or ( literatura e et islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura al et islam.") OR ("literatura al est islam."))) or ("literatura e et islam."))*.