Perhaps you should try some spelling variations:
nurse » nurkse, curse, purse
nurses » nurkses, curses, purses
perse » persa, pere, pease
perseo » persao, pereo, peaseo, persello
verse » verde, verso
pese » ese
peso » pero, paso, eso
practitioner » practitioners

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

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