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