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
2f colonies » p colonies, et colonies, 4 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 %((2f colonies) OR (_ colonies)) %((2f administration) OR (((trf administration) OR (csf administration))))%22.
• Adding a wildcard symbol may retrieve word variants: %22great britain %((2f colonies) or (_ colonies)) %((2f administration) or (((trf administration) or (csf administration))))%22*.