Perhaps you should try some spelling variations:
internationaal seminarie » international seminar (Expand Search), international solidarity (Expand Search)
internationaal seminar » international seminar (Expand Search), internationaal verdrag (Expand Search), internationaal meeting (Expand Search)
het internationaal » _ international (Expand Search), de internationale (Expand Search)
de internationaal » de international (Expand Search), de internationale (Expand Search), _ international (Expand Search)

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

• Removing quotes may allow a broader search: (( de internationaal seminarie prize ) OR ( het internationaal seminar prize )).