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