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