Perhaps you should try some spelling variations:
rand corporation » road corporation, a corporation, england corporation
said corporation » a corporation
_ corporation » _ corporate
railroad » railroads

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) OR (((said corporation) OR (_ corporation))))) OR (railroad corporation)) monograph series.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand corporation) or (((said corporation) OR (_ corporation))))) or (railroad corporation)) monograph series".
• Adding a wildcard symbol may retrieve word variants: ((((rand corporation) or (((said corporation) OR (_ corporation))))) or (railroad corporation)) monograph series*.