Perhaps you should try some spelling variations:
"diplomatic" » "diplomtic", "diplomacytic", "diplomatstic"
"diploma" » "diplom", "diplomacy", "diplomats"
"diplomacys" » "diplomcys", "diplomacycys", "diplomatscys", "diplomacy", "diplomacies", "diplomats"
"diplomcys" » "diplomacy", "diplomats", "diplomes"

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