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