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 indirectory", "managing directorsory", "managaing directorory"
"managing director" » "managing indirector", "managing directorsor", "managaing directoror"
"managing direct" » "managing indirect", "managing directors", "managaing director"

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 direct"))) OR ((("managing directory") OR ("managing disruption")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"managing director\") OR (\"managing direct\"))) or (((\"managing directory\") or (\"managing disruption\"))))".
• Removing quotes may allow a broader search: (((( managing director ) OR ( managing direct ))) or ((( managing directory ) or ( managing disruption )))).
• Adding a wildcard symbol may retrieve word variants: (((("managing director") OR ("managing direct"))) or ((("managing directory") or ("managing disruption"))))*.