Perhaps you should try some spelling variations:
practitioner » practitioners
pures » pues, pares, pure
puras » pura, duras, curas
purse » pursue, pure, curse
proposes » proposed, propose, propone
curses » cursos, curse, cursus
courses » course
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 ( (((((pures OR puras) OR purves) OR (purse OR pre)) OR proposes) OR ((curses OR courses) OR curves)) practitioner ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( nurses practitioner ) OR ( (((((pures OR puras) OR purves) OR (purse OR pre)) OR proposes) OR ((curses OR courses) OR curves)) practitioner ))*".