Perhaps you should try some spelling variations:
"Enterprise : professional sports distilled" » "Enterprise : professional schools distilled", "Enterprise : professional series distilled"
"Enterprise : professional growth distilled" » "Enterprise : professional growth still", "Enterprise : professional growth displayed"

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: "((\"Enterprise : professional sports distilled\") OR (\"Enterprise : professional growth distilled\"))~".
• Removing quotes may allow a broader search: (( Enterprise : professional sports distilled ) OR ( Enterprise : professional growth distilled ))~.
• Adding a wildcard symbol may retrieve word variants: (("Enterprise : professional sports distilled") OR ("Enterprise : professional growth distilled"))*.