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