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