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

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

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