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