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