Perhaps you should try some spelling variations:
"het eerste internationale dag festival" » "het de internationale dag festival" (Expand Search), "het eerste internationale des festival" (Expand Search), "het eerste internationale de festival" (Expand Search), "het eerste international de festival" (Expand Search), "het eerste internationale du festival" (Expand Search), "het eerste internationale a festival" (Expand Search), "het eerste internationale van festival" (Expand Search), "de eerste internationale dag festival" (Expand Search)
"en _ international het festival" » "en _ international met festival" (Expand Search), "en _ international zet festival" (Expand Search), "en _ international de 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 dag festival") OR ("en _ international het festival"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"het eerste internationale dag festival\") OR (\"en _ international het festival\"))*".
• Removing quotes may allow a broader search: (( het eerste internationale dag festival ) OR ( en _ international het festival ))*.