Perhaps you should try some spelling variations:
"key regulatory properties" » "key regularity properties", "key regular properties", "key regulatory perspectives", "key regulator properties", "key regulators properties", "4 regulatory properties"
"3 regulatory properties" » "3 regularity properties", "3 regular properties", "3 regulatory perspectives", "3 regulation properties"
"a regulatory properties" » "a regularity properties", "a regular properties", "a regulatory perspectives"
"_ regulatory properties" » "_ regularity properties", "_ regular properties", "_ regulatory perspectives", "_ regulation properties"

Try widening your search to All Fields.

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: (("key regulatory properties") OR ((("3 regulatory properties") OR ((("a regulatory properties") OR ("_ regulatory properties")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"key regulatory properties\") or (((\"3 regulatory properties\") or (((\"a regulatory properties\") OR (\"_ regulatory properties\"))))))".
• Removing quotes may allow a broader search: (( key regulatory properties ) or ((( 3 regulatory properties ) or ((( a regulatory properties ) OR ( _ regulatory properties )))))).
• Adding a wildcard symbol may retrieve word variants: (("key regulatory properties") or ((("3 regulatory properties") or ((("a regulatory properties") OR ("_ regulatory properties"))))))*.