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