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