Perhaps you should try some spelling variations:
connector service » connection service, connection services, connected services
actor services » actor service, factory services, sector services
sector service » secret service, secure service, server service

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: ((connector service) OR (((actor services) OR (sector service)))).
• Adding a wildcard symbol may retrieve word variants: ((connector service) or (((actor services) or (sector service))))*.