Perhaps you should try some spelling variations:
trf administration » tariff administration, trade administration, self administration
csf administration » self administration, unis administration, union administration
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: %great britain %((p colonies) OR (_ colonies)) %((csf administration) OR (trf administration))%22.
• Adding a wildcard symbol may retrieve word variants: %great britain %((p colonies) or (_ colonies)) %((csf administration) or (trf administration))%22*.