Perhaps you should try some spelling variations:
"managing directory" » "managing directors", "creating directory", "manager director"
"managing inventory" » "managed inventory", "management inventory", "taking inventory"
"merging directory" » "working directory", "testing directory", "emerging directions"

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