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