Perhaps you should try some spelling variations:
self administration » welfare administration
csf administration » unis administration, union administration
2f administration » trf administration, delf administration, seif administration
xgreat britain » great britain, zgreat britain, great brittain
et colonies » her colonies, des colonies, les colonies
p colonies » _ colonies, her colonies, des colonies

You may be able to get more results by adjusting your search query.

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