Perhaps you should try some spelling variations:
delf administration » self administrations, seif administration, models administration
self administration » welfare administration
csf administration » unis administration, union administration
xgreat britain » zgreat britain, great brittain, great britains
et colonies » her colonies, des colonies, les colonies
p colonies » _ colonies, her colonies, des 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: %((xgreat britain) OR (great britain)) %((p colonies) OR (et colonies)) %((((delf administration) OR (self administration))) OR (csf administration))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((xgreat britain) OR (great britain)) %((p colonies) or (et colonies)) %((((delf administration) or (self administration))) or (csf administration))%22".
• Adding a wildcard symbol may retrieve word variants: %((xgreat britain) OR (great britain)) %((p colonies) or (et colonies)) %((((delf administration) or (self administration))) or (csf administration))%22*.