Perhaps you should try some spelling variations:
"diplomatie" » "diplomatic", "diplomtie"
"diplomacy" » "diplomcy"
"diploma" » "diplom"
"diplomats" » "diplomts", "diplomatic"
"diplomacys" » "diplomcys", "diplomacies", "diplomas", "diplomacia"

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: ((("diplomatie" OR "diplomacy") OR "diploma") OR ("diplomats" OR "diplomacys")).
• Removing quotes may allow a broader search: ((( diplomatie or diplomacy ) or diploma ) or ( diplomats or diplomacys )).
• Adding a wildcard symbol may retrieve word variants: ((("diplomatie" or "diplomacy") or "diploma") or ("diplomats" or "diplomacys"))*.