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