Perhaps you should try some spelling variations:
practitioner » practitioners
proposes » proposed, proponen, proponer, proposeds, proponens, proponers
proponens » proponents, proponen, propones
propose » proposed, proponen, proponer
pures » pues, pares, pure
purse » pursue, pure, curse
curses » courses, cursos, curse
curves » curvas

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nurses practitioner ) OR ( (((((((proposes OR proponens) OR propose) OR pures) OR purves) OR purse) OR propone) OR (curses OR curves)) practitioner ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( nurses practitioner ) OR ( (((((((proposes OR proponens) OR propose) OR pures) OR purves) OR purse) OR propone) OR (curses OR curves)) practitioner ))*".