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
her colonies » _ colonies
2f colonies » _ colonies, p colonies, et colonies

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: %great britain %((2f colonies) OR (her colonies)) %((((2f administration) OR (csf administration))) OR (trf administration))%22.
• Adding a wildcard symbol may retrieve word variants: %great britain %((2f colonies) or (her colonies)) %((((2f administration) or (csf administration))) or (trf administration))%22*.