Perhaps you should try some spelling variations:
"curse practitioner" » "course practitioner", "curso practitioner"
"curse practitioners" » "course practitioners", "curso practitioners"
"cursa practitioner" » "cursan practitioner", "curso practitioner", "curia practitioner"
"cura practitioner" » "cuba practitioner", "cuya practitioner", "cara practitioner"
"cure practitioners" » "cubre practitioners", "cuore practitioners", "care practitioners"

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 ((((("curse practitioner") OR ((("cursa practitioner") OR ("cura practitioner"))))) OR ((("curse practitioners") OR ("cure practitioners"))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nurses practitioner\") OR (((((\"curse practitioner\") OR (((\"cursa practitioner\") OR (\"cura practitioner\"))))) OR (((\"curse practitioners\") OR (\"cure practitioners\"))))))".
• Removing quotes may allow a broader search: (( nurses practitioner ) OR ((((( curse practitioner ) OR ((( cursa practitioner ) OR ( cura practitioner ))))) OR ((( curse practitioners ) OR ( cure practitioners )))))).
• Adding a wildcard symbol may retrieve word variants: (("nurses practitioner") OR ((((("curse practitioner") OR ((("cursa practitioner") OR ("cura practitioner"))))) OR ((("curse practitioners") OR ("cure practitioners"))))))*.