Perhaps you should try some spelling variations:
"literature early evo islam." » "literature study evo islam.", "literature latin evo islam.", "literatura al evo islam.", "literature early el islam.", "literature early e islam."
"literatura e la idea." » "literatura en la idea.", "literatura del la idea.", "literatura de la idea.", "literatura es la idea.", "literatura e la ideas."
"literatura de de isaac." » "literatura de fe isaac.", "literatura de di isaac."

You may be able to get more results by adjusting your search query.

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