Perhaps you should try some spelling variations:
corporate biography » corporation biography, corporate demography
corporate geography » corporate demography, comparative geography, corporate generally
biography pericles » biography problems, biography periodicals
complete biography » complete bibliography, college biography, complete digraphs
said corporation » a corporation, _ corporation
biography series » biography sources, 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: (( said corporation ((biography series) OR (biography pericles)) ) OR ( road ((((corporate biography) OR (corporate geography))) OR (complete biography)) series )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( said corporation ((biography series) OR (biography pericles)) ) or ( road ((((corporate biography) or (corporate geography))) or (complete biography)) series ))".
• Adding a wildcard symbol may retrieve word variants: (( said corporation ((biography series) OR (biography pericles)) ) or ( road ((((corporate biography) or (corporate geography))) or (complete biography)) series ))*.