Perhaps you should try some spelling variations:
22public welfare » public welfare, publick welfare
republic welfare » public welfare, publick welfare
2f great » 2 great, 21 great, 23 great
2f case » 20 case, 22 case, f case

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: %((22public welfare) OR (republic welfare)) administration %2f great britain %((2f case) OR (21 case)) studies%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22public welfare) or (republic welfare)) administration %2f great britain %((2f case) OR (21 case)) studies%22".
• Adding a wildcard symbol may retrieve word variants: %((22public welfare) or (republic welfare)) administration %2f great britain %((2f case) OR (21 case)) studies%22*.