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