Perhaps you should try some spelling variations:
britain administration » prison administration, mission administration, insulin administration
clinton administration » prison administration, son administration, mission administration
reagan administration » lean administration, en administration, against administration

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: ((reagan administration) OR (((britain administration) OR (clinton administration)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((reagan administration) or (((britain administration) OR (clinton administration))))".
• Adding a wildcard symbol may retrieve word variants: ((reagan administration) or (((britain administration) OR (clinton administration))))*.