Perhaps you should try some spelling variations:
"managing directory" » "managing directors", "managing director's", "managing inventory"
"merging directory" » "working directory", "testing directory", "emerging directions"
"manager director" » "managed directx", "managing directors", "man's 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 directory") OR ("merging directory"))) OR ("manager director")))).
• Removing quotes may allow a broader search: (( managing director ) or ((((( managing directory ) or ( merging directory ))) or ( manager director )))).
• Adding a wildcard symbol may retrieve word variants: (("managing director") or ((((("managing directory") or ("merging directory"))) or ("manager director"))))*.