Perhaps you should try some spelling variations:
nurse » nurkse, curse, purse
nurses » nurkses, curses, purses
purses » purse, purves, purposes
practitioner » practitioners
care » carne, case, carl
cursa » cursan, cura, curia
carson » larson
cursos » recursos

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

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