Perhaps you should try some spelling variations:
"managing disruption" » "managing disruptions", "managing disruptive", "mating disruption"
"managing directory" » "managing directors", "managing director's", "merging directory", "managing directy"
"managing director" » "managing direct"

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: (("managing director") OR ((("managing directory") OR ("managing disruption")))).
• Removing quotes may allow a broader search: (( managing director ) or ((( managing directory ) or ( managing disruption )))).
• Adding a wildcard symbol may retrieve word variants: (("managing director") or ((("managing directory") or ("managing disruption"))))*.