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