Perhaps you should try some spelling variations:
"estate sectors" » "estate sector", "estate sektors", "state vectors", "eestate sectors", "estate vectors", "estate vectorss"
"state action" » "state reactions"
"state sector" » "estate sector", "state vector", "state vectors"
"state actors" » "state factors"

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