Perhaps you should try some spelling variations:
purses » purposes, pursues, pures, perses
purse » pursue, pure, perse
purves » curves
practitioner » practitioners
curse » course, curso, cure
cursa » cursan, curso, cura
curian » curia, burian, curiae
curan » cursan, curran, duran

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( (nurses OR ((purses OR purse) OR purves)) practitioner ) OR ( (curse OR (cursa OR (curian OR curan))) practitioner ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( (nurses OR ((purses OR purse) OR purves)) practitioner ) OR ( (curse OR (cursa OR (curian OR curan))) practitioner ))".
• Adding a wildcard symbol may retrieve word variants: (( (nurses OR ((purses OR purse) OR purves)) practitioner ) OR ( (curse OR (cursa OR (curian OR curan))) practitioner ))*.