Perhaps you should try some spelling variations:
"diplomatscia" » "diplomacia", "diplomatici", "diplomatische", "diplomacytscia", "diplomatstscia"
"diploma" » "diplomacy", "diplomats"
"diplomatica" » "diplomacytica", "diplomatstica", "diplomatic", "diplomatics", "diplomatie"

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: (("diplomatscia" OR ("diploma" OR "diplom")) OR "diplomatica").
• Removing quotes may allow a broader search: (( diplomatscia or ( diploma or diplom )) or diplomatica ).
• Adding a wildcard symbol may retrieve word variants: (("diplomatscia" or ("diploma" or "diplom")) or "diplomatica")*.