Perhaps you should try some spelling variations:
nurse » nurkse, purse
nurses » nurkses, purses
purposes » purpose
proposes » proposed, propose, propone
curse » course, curso, cursa
cura » cuba, cuya, cara
curan » cuban, cuyan, caran, curran, duran, curas
cuban » cubana, cubano, cuba
caran » cara, caras, haran

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 (purposes OR proposes))) practitioners ) OR ( (curse OR (cura OR (cursan OR ((curan OR cuban) OR caran)))) practitioners ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( (nurse OR (nurses OR (purposes OR proposes))) practitioners ) OR ( (curse OR (cura OR (cursan OR ((curan OR cuban) OR caran)))) practitioners ))".
• Adding a wildcard symbol may retrieve word variants: (( (nurse OR (nurses OR (purposes OR proposes))) practitioners ) OR ( (curse OR (cura OR (cursan OR ((curan OR cuban) OR caran)))) practitioners ))*.