Perhaps you should try some spelling variations:
corporation biography » corporate biography, reformation biography, corporate geography
federation biography » reformation biography
biography pericles » biography problems, biography periodicals
biography sermons » biography germany, biographical sermons
rand corporation » said corporation, road corporation, a corporation
biography series » biography sources, biography studies, biography herve
rand federation » ad federation, rag federation, road federation

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 ( rand federation biography pericles ))) OR ( rand corporation biography sermons )).
• Adding a wildcard symbol may retrieve word variants: (((( rand corporation biography series ) or ( rand federation biography pericles ))) or ( rand corporation biography sermons ))*.