Perhaps you should try some spelling variations:
"diplomat" » "diplomatic", "diplomatie", "diplomacy", "diplomt", "diplomacyt"
"diplomats" » "diplomatics", "diplomaties", "diplomacys", "diplomts", "diplomacyts", "diplomatic", "diplomacy"
"diplomt" » "diplom", "diplome", "diploms"
"diploma" » "diplom", "diplomacy"

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