Perhaps you should try some spelling variations:
"agile regulatory properties" » "agile regularity properties", "agile regular properties", "agile regulatory perspectives", "gene regulatory properties", "cycle regulatory properties", "fire regulatory properties"
"acute regulatory properties" » "acute regularity properties", "acute regular properties", "acute regulatory perspectives", "state regulatory properties", "acute regulation properties", "acute respiratory properties"

You may be able to get more results by adjusting your search query.

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