Perhaps you should try some spelling variations:
purse » pursue, pure, pulse
purses » pursues, pures, pulses, purves, purposes
perse » perseo, pese, verse
practitioner » practitioners
curse » course
cure » cubre, cuore, care
cursa » cursan, curia, curva
cura » cuba, cuya, cara
carson » larson

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

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