Perhaps you should try some spelling variations:
"literatura el _ islam." » "literatura del _ islam.", "literatura de _ islam.", "literatura eslava _ islam.", "literatura dell _ islam."
"literatura en _ islam." » "literatura de _ islam.", "literatura espana _ islam.", "literatura den _ islam.", "literatura deln _ islam."
"literatura e de isla." » "literatura de de isla.", "literatura del de isla.", "literatura e de isaac.", "literatura y de isla.", "literatura _ de isla."

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