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