Perhaps you should try some spelling variations:
internationale seminarie » internationaal seminarie (Expand Search), international seminar (Expand Search), international solidarity (Expand Search)
de internationale » _ international (Expand Search)
de international » _ international (Expand Search), het internationaal (Expand Search), en internationale (Expand Search)
de prince » le prince (Expand Search), de provincie (Expand Search)
de prins » de prijs (Expand Search), de paris (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 ((de prince) OR (de prins))\\") OR (\\"de internationale seminarie prize\\"))~\"".
• Removing quotes may allow a broader search: (( de international ((de prince) OR (de prins)) ) OR ( de internationale seminarie prize ))~.