Perhaps you should try some spelling variations:
welfare administration » revenue administration
2f administration » csf administration, 2.2 administration, trf administration
22great britain » xgreat britain, zgreat britain, great brittain
des colonies » her colonies, _ colonies
et colonies » her colonies, les colonies, ant colonies
p colonies » _ colonies, her colonies, les colonies

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: %((22great britain) OR (great britain)) %((((p colonies) OR (des colonies))) OR (et colonies)) %((2f administration) OR (((self administration) OR (welfare administration))))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22great britain) or (great britain)) %((((p colonies) or (des colonies))) or (et colonies)) %((2f administration) or (((self administration) OR (welfare administration))))%22".
• Adding a wildcard symbol may retrieve word variants: %((22great britain) or (great britain)) %((((p colonies) or (des colonies))) or (et colonies)) %((2f administration) or (((self administration) OR (welfare administration))))%22*.