Perhaps you should try some spelling variations:
professional experience » professional competence
professional expertise » professional perspectives
professional practices » professional practice, professional services

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: ((((professional expertise) OR (((professional experience) OR (personal experience))))) OR (professional practices)) distilled.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((professional expertise) or (((professional experience) OR (personal experience))))) or (professional practices)) distilled".
• Adding a wildcard symbol may retrieve word variants: ((((professional expertise) or (((professional experience) OR (personal experience))))) or (professional practices)) distilled*.