Perhaps you should try some spelling variations:
diplomacia » diplomacy, diplomatic, diplomatie, diplomacycia, diplomatscia
diploma » diplomacy, diplomats
diplomacys » diplomacycys, diplomatscys, diplomacy, diplomats, diplomas
diplomacies » diplomacycies, diplomatscies, diplomatie, diplomatics, diplomates

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: (( diplomacia OR ( diploma OR diplom )) OR (diplomacys OR diplomacies) ).
• Adding a wildcard symbol may retrieve word variants: (( diplomacia or ( diploma or diplom )) or (diplomacys or diplomacies) )*.