Perhaps you should try some spelling variations:
diplomat » diploma, diplomatic, diplomatie
diplomats » diplomas, diplomatics, diplomaties, diplomatic, diplomacy
diplomacys » diplomacy, diplomacies, diplomas
diplomcys » diplomacy, diplomes, diplomas

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 diplomats ) OR ( diplomacys OR diplomcys )).
• Adding a wildcard symbol may retrieve word variants: (( diplomat or diplomats ) or ( diplomacys or diplomcys ))*.