Perhaps you should try some spelling variations:
trf administration » tariff administration, trade administration, self administration
csf administration » self administration, unis administration, union administration
2f administration » self administration, delf administration, seif administration
22great britain » great britain, xgreat britain, zgreat britain
et colonies » her colonies, des colonies, les colonies
p colonies » her colonies, des colonies, les colonies
_ colonies » _ colonial

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: %22great britain %((((p colonies) OR (_ colonies))) OR (et colonies)) %((((2f administration) OR (trf administration))) OR (csf administration))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22great britain %((((p colonies) or (_ colonies))) or (et colonies)) %((((2f administration) OR (trf administration))) or (csf administration))%22".
• Adding a wildcard symbol may retrieve word variants: %22great britain %((((p colonies) or (_ colonies))) or (et colonies)) %((((2f administration) OR (trf administration))) or (csf administration))%22*.