Perhaps you should try some spelling variations:
"rand corporation biography series" » "rand reformation biography series", "rand federation biography series", "rand corporate geography series", "said corporation biography series", "road corporation biography series", "a corporation biography series", "rand corporation biography pericles", "rand corporation biography sources", "rand corporation biography sermons"
"a corporate biography series" » "a corporate geography series", "a corporate demography series", "a complete biography series", "a corporate biography pericles", "a corporate biography sources", "a corporate biography sermons"

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: "((\"rand corporation biography series\") OR (\"a corporate biography series\"))".
• Removing quotes may allow a broader search: (( rand corporation biography series ) OR ( a corporate biography series )).
• Adding a wildcard symbol may retrieve word variants: (("rand corporation biography series") OR ("a corporate biography series"))*.