Perhaps you should try some spelling variations:
"literatura del de isla." » "literatura en de isla.", "literatura del de isaac.", "literatura del dean isla."
"literatura fe e islam." » "literatura fue e islam.", "literatura e e islam.", "literatura ele e islam.", "literatura fe el islam.", "literatura fe e islas.", "literatura fe en islam.", "literatura fe de islam."
"literatura de del islam." » "literatura de el 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 del de isla.") or ((("literatura fe e islam.") or ("literatura de del islam."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura del de isla.") OR ((("literatura fe e islam.") OR ("literatura de del islam.")))).
• Removing quotes may allow a broader search: (( literatura del de isla. ) or ((( literatura fe e islam. ) or ( literatura de del islam. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura del de isla.") or ((("literatura fe e islam.") or ("literatura de del islam."))))*.