Perhaps you should try some spelling variations:
"de internationaal seminarie prize" » "de international seminar prize" (Expand Search), "de international solidarity prize" (Expand Search), "de international seminarie prize" (Expand Search), "het internationaal seminarie prize" (Expand Search), "de internationale seminarie prize" (Expand Search)
"en internationale de prijs" » "de internationale de prijs" (Expand Search), "_ international de prijs" (Expand Search), "het internationaal de prijs" (Expand Search), "en internationale des prijs" (Expand Search), "en international de prijs" (Expand Search), "en internationale te parijs" (Expand Search), "en internationale de paris" (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: (("en internationale de prijs") OR ("de internationaal seminarie prize"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"en internationale de prijs\") OR (\"de internationaal seminarie prize\"))*".
• Removing quotes may allow a broader search: (( en internationale de prijs ) OR ( de internationaal seminarie prize ))*.