Perhaps you should try some spelling variations:
internationale memorial » internationale meeting (Expand Search)
international meeting » international seminar (Expand Search)
een internationale » en internationale (Expand Search), de internationale (Expand Search), eerste internationale (Expand Search)
de international » de internationale (Expand Search), _ international (Expand Search), het internationaal (Expand Search)

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: "(( een internationale memorial prize ) OR ( de international meeting prize ))~".
• Adding a wildcard symbol may retrieve word variants: (( een internationale memorial prize ) OR ( de international meeting prize ))*.