Perhaps you should try some spelling variations:
internationale seminar » international seminar (Expand Search), internationaal seminarie (Expand Search), internationale meeting (Expand Search)
het international » het internationaal (Expand Search), de international (Expand Search), et internationale (Expand Search)
international day » internationale dag (Expand Search), international de (Expand Search), international a (Expand Search)
en internationale » de internationale (Expand Search), _ international (Expand Search), het internationaal (Expand Search)
day prize » gay pride (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: "(( het international day prize ) OR ( en internationale seminar prize ))~".
• Adding a wildcard symbol may retrieve word variants: (( het international day prize ) OR ( en internationale seminar prize ))*.