Perhaps you should try some spelling variations:
"het eerste internationale dour festival" » "het eerste internationale des festival" (Expand Search), "het eerste internationale dag festival" (Expand Search), "het eerste internationale contre festival" (Expand Search), "de eerste internationale dour festival" (Expand Search)
"en de internationale de festival" » "en _ international de festival" (Expand Search), "en de internationale des festival" (Expand Search), "en de international de festival" (Expand Search), "en de internationale du festival" (Expand Search), "en de internationale dj festival" (Expand Search), "en de internationale doel festival" (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: "((\"het eerste internationale dour festival\") OR (\"en de internationale de festival\"))~".
• Removing quotes may allow a broader search: (( het eerste internationale dour festival ) OR ( en de internationale de festival ))~.
• Adding a wildcard symbol may retrieve word variants: (("het eerste internationale dour festival") OR ("en de internationale de festival"))*.