Perhaps you should try some spelling variations:
"diplomacia" » "diplomatic", "diplomatie", "diplomcia", "diplomatscia"
"diplomacy" » "diplomcy", "diplomatscy"
"diploma" » "diplom", "diplomats"
"diplomacys" » "diplomcys", "diplomatscys", "diplomacies", "diplomats", "diplomas"

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