Perhaps you should try some spelling variations:
"curse practitioner" » "course practitioner"
"curse practitioners" » "course practitioners"
"cursa practitioner" » "cursan practitioner", "cura practitioner", "curia practitioner"
"cure practitioners" » "cuore practitioners", "care practitioners", "cre practitioners"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("curse practitioner") OR ("cursa practitioner"))) OR ((((("curse practitioners") OR ("curso practitioners"))) OR ((("cure practitioners") OR ("cubre practitioners"))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"curse practitioner\") OR (\"cursa practitioner\"))) OR (((((\"curse practitioners\") OR (\"curso practitioners\"))) OR (((\"cure practitioners\") OR (\"cubre practitioners\"))))))".
• Removing quotes may allow a broader search: (((( curse practitioner ) OR ( cursa practitioner ))) OR ((((( curse practitioners ) OR ( curso practitioners ))) OR ((( cure practitioners ) OR ( cubre practitioners )))))).
• Adding a wildcard symbol may retrieve word variants: (((("curse practitioner") OR ("cursa practitioner"))) OR ((((("curse practitioners") OR ("curso practitioners"))) OR ((("cure practitioners") OR ("cubre practitioners"))))))*.