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