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