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

Try widening your search to All Fields.

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