Perhaps you should try some spelling variations:
"d internationaal seminarie prize" » "d international seminar prize" (Expand Search), "d international solidarity prize" (Expand Search), "_ international seminarie prize" (Expand Search), "de international seminarie prize" (Expand Search), "d internationale seminarie prize" (Expand Search)
"het internationaal de prijzen" » "_ international de prijzen" (Expand Search), "de internationale de prijzen" (Expand Search), "het international de prijzen" (Expand Search), "het internationale de prijzen" (Expand Search), "het internationale des prijzen" (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 internationaal de prijzen\") OR (\"d internationaal seminarie prize\"))~".
• Removing quotes may allow a broader search: (( het internationaal de prijzen ) OR ( d internationaal seminarie prize ))~.
• Adding a wildcard symbol may retrieve word variants: (("het internationaal de prijzen") OR ("d internationaal seminarie prize"))*.