Perhaps you should try some spelling variations:
viertes internationales » vierter internationaler, reserves internationales, normes internationales
achtes internationales » archives internationales, acht internationalen, banques internationales
international aktiven » international aktiver, internationale aktionen, internationaler aktien
international arctic » international practice, international action, international acpc
de idees » des idees, de ideis, de ideas

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 aktiven) OR (international arctic)) of the history of ideas ((achtes internationales) OR (viertes internationales)) histoire de idees.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((international aktiven) or (international arctic)) of the history of ideas ((achtes internationales) OR (viertes internationales)) histoire de idees".
• Adding a wildcard symbol may retrieve word variants: ((international aktiven) or (international arctic)) of the history of ideas ((achtes internationales) OR (viertes internationales)) histoire de idees*.