Perhaps you should try some spelling variations:
"rand corporation biography pericles" » "rand corporate biography pericles", "rand reformation biography pericles", "rand corporate geography pericles", "rand corporation biography periodicals", "said corporation biography pericles", "road corporation biography pericles", "a corporation biography pericles"
"rand corporation biography problems" » "rand corporate biography problems", "rand reformation biography problems", "rand corporate geography problems", "rand corporation bibliography problems", "rand corporation lithography problems", "rand corporation tomography problems", "said corporation biography problems", "road corporation biography problems", "a corporation biography problems"
"_ corporation biography series" » "_ corporate biography series", "_ reformation biography series", "_ corporate geography series", "_ corporation biography sources", "_ corporation biography sermons", "_ corporation biography studies"
"a federation biography series" » "a reformation biography series", "a federation biography sources", "a federation biography sermons", "a federation biography studies", "_ federation biography series", "a federated biography series"

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: (((("rand corporation biography pericles") OR ("rand corporation biography problems"))) OR ((("_ corporation biography series") OR ("a federation biography series")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"rand corporation biography pericles\") OR (\"rand corporation biography problems\"))) or (((\"_ corporation biography series\") or (\"a federation biography series\"))))".
• Removing quotes may allow a broader search: (((( rand corporation biography pericles ) OR ( rand corporation biography problems ))) or ((( _ corporation biography series ) or ( a federation biography series )))).
• Adding a wildcard symbol may retrieve word variants: (((("rand corporation biography pericles") OR ("rand corporation biography problems"))) or ((("_ corporation biography series") or ("a federation biography series"))))*.