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