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

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: (( rand corporation biography series ) OR ((( a corporate biography series ) OR ( a corporate biography sources ))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( rand corporation biography series ) or ((( a corporate biography series ) OR ( a corporate biography sources ))))*".