Perhaps you should try some spelling variations:
professional experience » personal experience, professional competence
professional practices » professional practice
regional perspectives » global perspectives, critical perspectives

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: ((((regional perspectives) OR (professional experience))) OR (((professional practices) OR (professional services)))) distilled.
• Adding a wildcard symbol may retrieve word variants: ((((regional perspectives) or (professional experience))) or (((professional practices) or (professional services)))) distilled*.