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