Perhaps you should try some spelling variations:
"diplomat" » "diplomats", "diplomatie", "diplomacy", "diplomt", "diplomacyt", "diplomatst"
"diplomatic" » "diplomatsic", "diplomatieic", "diplomacyic", "diplomtic", "diplomacytic", "diplomatstic"
"diploma" » "diplom", "diplomacy", "diplomats"
"diplomacys" » "diplomcys", "diplomacycys", "diplomatscys", "diplomacy", "diplomacies", "diplomats"

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 ("diplomacys" OR "diplomatic")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"diplomat\" OR \"diploma\") or (\"diplomacys\" or \"diplomatic\"))".
• Removing quotes may allow a broader search: (( diplomat OR diploma ) or ( diplomacys or diplomatic )).
• Adding a wildcard symbol may retrieve word variants: (("diplomat" OR "diploma") or ("diplomacys" or "diplomatic"))*.