Perhaps you should try some spelling variations:
"state sectors" » "state vectors", "state reactors", "state actors", "estate sectors", "state vectorss"
"state sector" » "estate sector", "state vector", "state vectors"
"state actor" » "state actors", "state action", "state vector"

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: (("state actor") OR ((("state sectors") OR ("state sector")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"state actor\") or (((\"state sectors\") OR (\"state sector\"))))".
• Removing quotes may allow a broader search: (( state actor ) or ((( state sectors ) OR ( state sector )))).
• Adding a wildcard symbol may retrieve word variants: (("state actor") or ((("state sectors") OR ("state sector"))))*.