Perhaps you should try some spelling variations:
"professionalisering education" » "professional education"
"professionalism education" » "professional education", "professional educator", "professionalism conclusion"
"professionals education" » "professional education", "professional educator", "professionals section"
"professions education" » "professional education"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("professionals education") OR ((((("professionalism education") OR ("professionalisering education"))) OR ("professions education")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"professionals education\") or (((((\"professionalism education\") OR (\"professionalisering education\"))) or (\"professions education\"))))".
• Removing quotes may allow a broader search: (( professionals education ) or ((((( professionalism education ) OR ( professionalisering education ))) or ( professions education )))).
• Adding a wildcard symbol may retrieve word variants: (("professionals education") or ((((("professionalism education") OR ("professionalisering education"))) or ("professions education"))))*.