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", "5 regulatory properties"
"4 regulatory properties" » "4 regularity properties", "4 regular properties", "4 regulatory perspectives", "_ regulatory properties", "a regulatory properties", "4 regulation properties"
"3 regulatory properties" » "3 regularity properties", "3 regular properties", "3 regulatory perspectives", "_ regulatory properties", "a regulatory properties", "3 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 ("4 regulatory properties"))) OR ("3 regulatory properties")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"key regulatory properties\") OR (\"4 regulatory properties\"))) or (\"3 regulatory properties\"))".
• Removing quotes may allow a broader search: (((( key regulatory properties ) OR ( 4 regulatory properties ))) or ( 3 regulatory properties )).
• Adding a wildcard symbol may retrieve word variants: (((("key regulatory properties") OR ("4 regulatory properties"))) or ("3 regulatory properties"))*.