Perhaps you should try some spelling variations:
"literatura en del islam." » "literatura espana del islam.", "literatura deln del islam.", "literatura en el islam."
"literatura e del islam." » "literatura del del islam.", "literatura e el islam.", "literatura de del islam.", "literatura 5e del islam.", "literatura y del islam."
"literatura de de islam." » "literatura de de isla.", "literatura de e islam.", "literatura de de ilam.", "literatura de fe islam.", "literatura de di 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 e del islam.") OR ("literatura en del islam."))) or ("literatura de de islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura e del islam.") OR ("literatura en del islam."))) OR ("literatura de de islam.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura e del islam.\") OR (\"literatura en del islam.\"))) or (\"literatura de de islam.\"))".
• Removing quotes may allow a broader search: (((( literatura e del islam. ) OR ( literatura en del islam. ))) or ( literatura de de islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura e del islam.") OR ("literatura en del islam."))) or ("literatura de de islam."))*.