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