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

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