Perhaps you should try some spelling variations:
international conventions » international convention, international cooperation, international competition
private internacionales » private international, prive internationales, brigadas internacionales
des private » des privaten

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "international conventions of the history of des private internacionales ((liste des) OR (liste der)) ideis".
• Adding a wildcard symbol may retrieve word variants: international conventions of the history of des private internacionales ((liste des) OR (liste der)) ideis*.