Perhaps you should try some spelling variations:
"en de internationale het festival" » "en de internationale des festival" (Expand Search), "en de internationale de festival" (Expand Search), "en de international met festival" (Expand Search), "en _ international het festival" (Expand Search)
"de eerste internationale a festival" » "de eerste international a festival" (Expand Search), "de eerste internationale dag festival" (Expand Search), "de eerste internationale de festival" (Expand Search), "de eerste internationale du festival" (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 eerste internationale a festival") OR ("en de internationale het festival"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"de eerste internationale a festival\") OR (\"en de internationale het festival\"))*".
• Removing quotes may allow a broader search: (( de eerste internationale a festival ) OR ( en de internationale het festival ))*.