Perhaps you should try some spelling variations:
international convention » international context, national convention, international conference
internationales des » internationale des, internationales de, internationales dans
des primes » des crimes, de primes, des prieres
der ideals » der ideale, des ideals, der ideal
des prive » des privy, des private, des privat

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: ((international convention) OR (international cooperation)) of the history of ((des prive) OR (des primes)) internationales des der ideals.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((international convention) OR (international cooperation)) of the history of ((des prive) or (des primes)) internationales des der ideals".
• Adding a wildcard symbol may retrieve word variants: ((international convention) OR (international cooperation)) of the history of ((des prive) or (des primes)) internationales des der ideals*.