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