Perhaps you should try some spelling variations:
"en internationale meeting prize" » "en international meeting prize" (Expand Search), "en internationale samenwerking prize" (Expand Search), "de internationale meeting prize" (Expand Search), "_ international meeting prize" (Expand Search), "het internationaal meeting prize" (Expand Search)
"een internationale memorial prize" » "de internationale memorial prize" (Expand Search), "de international memorial prize" (Expand Search), "eerste internationale memorial prize" (Expand Search), "ede internationale memorial prize" (Expand Search), "e_ international memorial prize" (Expand Search), "ehet internationaal memorial prize" (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 meeting prize") OR ("een internationale memorial prize"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"en internationale meeting prize\") OR (\"een internationale memorial prize\"))".
• Removing quotes may allow a broader search: (( en internationale meeting prize ) OR ( een internationale memorial prize )).
• Adding a wildcard symbol may retrieve word variants: (("en internationale meeting prize") OR ("een internationale memorial prize"))*.