Perhaps you should try some spelling variations:
corporation biography » reformation biography, federation biography, corporate geography
corporate biography » corporate geography, corporate demography, complete biography
biography pericles » biography problems, biography periodicals
road corporation » a corporation, said corporation, railroad corporation
biography series » biography sources, biography sermons, biography studies
good corporate » und corporate

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: (( road corporation biography pericles ) OR ( good corporate biography series )).
• Adding a wildcard symbol may retrieve word variants: (( road corporation biography pericles ) or ( good corporate biography series ))*.