Perhaps you should try some spelling variations:
nurse » nurkse, curse, purse
nurses » nurkses, curses, purses
perse » pese, verse, persa
perseo » peseo, verseo, persao, persello
practitioner » practitioners
cure » cubre, cuore, curse
care » carne, case, carl
cursa » cursan, cura, curia

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 ((perse OR perseo) OR verde)) practitioner ) OR ( (((course OR cure) OR care) OR (cursa OR curso)) practitioner ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((nurse OR nurses) OR ((perse OR perseo) OR verde)) practitioner ) OR ( (((course OR cure) OR care) OR (cursa OR curso)) practitioner ))".
• Adding a wildcard symbol may retrieve word variants: (( ((nurse OR nurses) OR ((perse OR perseo) OR verde)) practitioner ) OR ( (((course OR cure) OR care) OR (cursa OR curso)) practitioner ))*.