Perhaps you should try some spelling variations:
diplomat » diploma, diplomatie, diplomacy
diplomats » diplomas, diplomaties, diplomacys, diplomacy
diplomatic » diplomaic, diplomatieic, diplomacyic
diplomacys » diplomacy, diplomacies, 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 diplom ) OR ( diplomacys OR diplomatic )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( (diplomat OR diplomats) or diplom ) or ( diplomacys or diplomatic ))".
• Adding a wildcard symbol may retrieve word variants: (( (diplomat OR diplomats) or diplom ) or ( diplomacys or diplomatic ))*.