Perhaps you should try some spelling variations:
"literature latina el islam." » "literature latin el islam.", "literatura latina el islam.", "iteratura latina el islam.", "literature latina en islam."
"literatura en de isaac." » "literatura de de isaac.", "literatura espana de isaac."
"literatura se la idea." » "literatura de la idea.", "literatura e la idea.", "literatura del la idea.", "literatura se ha idea.", "literatura se va idea.", "literatura se la ideas."

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 en de isaac.") or ((("literature latina el islam.") or ("literatura se la idea."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura en de isaac.") OR ((("literature latina el islam.") OR ("literatura se la idea.")))).
• Removing quotes may allow a broader search: (( literatura en de isaac. ) or ((( literature latina el islam. ) or ( literatura se la idea. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura en de isaac.") or ((("literature latina el islam.") or ("literatura se la idea."))))*.