Perhaps you should try some spelling variations:
"road corporation biography series" » "road corporate biography series", "road reformation biography series", "road corporate geography series", "a corporation biography series", "said corporation biography series", "railroad corporation biography series", "road corporation biography pericles", "road corporation biography sources", "road corporation biography sermons"
"a federation biography series" » "a reformation biography series", "a federation biography pericles", "a federation biography sources", "a federation biography sermons", "_ federation biography series"
"a federated biography series" » "a federated graph series", "a federated bibliographic series", "a celebrated biographer series", "a federated biography pericles", "a federated biography sources", "a federated biography sermons", "_ federated biography series"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"road corporation biography series\") OR (((\"a federation biography series\") OR (\"a federated biography series\"))))".
• Removing quotes may allow a broader search: (( road corporation biography series ) OR ((( a federation biography series ) OR ( a federated biography series )))).
• Adding a wildcard symbol may retrieve word variants: (("road corporation biography series") OR ((("a federation biography series") OR ("a federated biography series"))))*.