Perhaps you should try some spelling variations:
international seminar » international women's (Expand Search), international solidarity (Expand Search)
internationale mars » internationale des (Expand Search), internationale dag (Expand Search), internationale de (Expand Search)
de internationale » _ international (Expand Search)
het international » het internationaal (Expand Search), de international (Expand Search), et internationale (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( de internationale mars prize ) OR ( het international seminar prize ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( de internationale mars prize ) OR ( het international seminar prize ))".
• Adding a wildcard symbol may retrieve word variants: (( de internationale mars prize ) OR ( het international seminar prize ))*.