Perhaps you should try some spelling variations:
"managing directors" » "managing director's", "managing director", "managing distractions"
"managing defects" » "managing devices", "imaging defects", "handling defects"
"managing objects" » "managing projects", "managed objects", "management objects"

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