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

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