Perhaps you should try some spelling variations:
2f administration » csf administration, trf administration, self administration
zgreat britain » xgreat britain, great brittain, great britains
des colonies » her colonies, _ colonies
et colonies » her colonies, les 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: %((zgreat britain) OR (great britain)) %((et colonies) OR (des colonies)) %2f administration%22.
• Adding a wildcard symbol may retrieve word variants: %((zgreat britain) or (great britain)) %((et colonies) or (des colonies)) %2f administration%22*.