Perhaps you should try some spelling variations:
diplomatic » diplomatsic, diplomatieic, diplomacyic, diplomacytic, diplomatstic
diplomat » diplomats, diplomatie, diplomacy, diplomacyt, diplomatst
diplomatsic » diplomatssic, diplomatiesic, diplomacysic, diplomacytsic, diplomatstsic, diplomats, diplomatie, diplomatics
diploma » diplomacy, 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: (( diplomatic OR ( (diplomat OR diploma) OR diplom )) OR diplomatsic ).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( diplomatic or ( (diplomat OR diploma) or diplom )) or diplomatsic )".
• Adding a wildcard symbol may retrieve word variants: (( diplomatic or ( (diplomat OR diploma) or diplom )) or diplomatsic )*.