Perhaps you should try some spelling variations:
"literature arab _ ilam." » "literatura arabe _ ilam.", "literature early _ ilam.", "literatura para _ ilam."
"literatura en de isaac." » "literatura de de isaac.", "literatura espana de isaac.", "literatura den de isaac.", "literatura deln de isaac."
"literatura e de isaac." » "literatura de de isaac.", "literatura del de isaac.", "literatura y de isaac.", "literatura _ de isaac."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("literature arab _ ilam.") or ((("literatura e de isaac.") OR ("literatura en de isaac."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literature arab _ ilam.") OR ((("literatura e de isaac.") OR ("literatura en de isaac.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"literature arab _ ilam.\") or (((\"literatura e de isaac.\") OR (\"literatura en de isaac.\"))))".
• Removing quotes may allow a broader search: (( literature arab _ ilam. ) or ((( literatura e de isaac. ) OR ( literatura en de isaac. )))).
• Adding a wildcard symbol may retrieve word variants: (("literature arab _ ilam.") or ((("literatura e de isaac.") OR ("literatura en de isaac."))))*.