Perhaps you should try some spelling variations:
connector service » connection service, connection services, connected services
caption services » location services, citation services, taxation services
action services » actions services, action service, active services
actor services » actor service, factory services, sector 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: ((connector service) OR (((actor services) OR (((caption services) OR (action services)))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((connector service) or (((actor services) or (((caption services) OR (action services))))))".
• Adding a wildcard symbol may retrieve word variants: ((connector service) or (((actor services) or (((caption services) OR (action services))))))*.