Perhaps you should try some spelling variations:
"a corporation biography series" » "a reformation biography series", "a federation biography series", "a corporate geography series", "a corporation biography pericles", "a corporation biography sources", "a corporation biography sermons"
"_ corporation biography series" » "_ reformation biography series", "_ federation biography series", "_ corporate geography series", "_ corporation biography pericles", "_ corporation biography sources", "_ corporation biography sermons", "_ corporate biography series"
"a corporate demography series" » "a corporate memory series", "a corporate demography sources", "a corporate demography marie", "a corporate demography sends"
"a corporate biography series" » "a corporate geography series", "a complete biography series", "a corporate biography pericles", "a corporate biography sources", "a corporate biography sermons"

Try widening your search to All Fields.

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