Perhaps you should try some spelling variations:
"het eerste internationale du festival" » "het de internationale du festival" (Expand Search), "het zesde internationalee du festival" (Expand Search), "het 8ste internationaale du festival" (Expand Search), "het 31ste internationaale du festival" (Expand Search), "het eerste internationale des festival" (Expand Search), "het eerste internationale dour festival" (Expand Search), "het eerste internationale het festival" (Expand Search)
"de eerste international de festival" » "de zesde internationale de festival" (Expand Search), "de 8ste internationaal de festival" (Expand Search), "de 31ste internationaal de festival" (Expand Search), "de eerste internationale des festival" (Expand Search), "de eerste international dj festival" (Expand Search), "de eerste international doel festival" (Expand Search), "de eerste 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: (("de eerste international de festival") OR ("het eerste internationale du festival"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"de eerste international de festival\") OR (\"het eerste internationale du festival\"))".
• Removing quotes may allow a broader search: (( de eerste international de festival ) OR ( het eerste internationale du festival )).
• Adding a wildcard symbol may retrieve word variants: (("de eerste international de festival") OR ("het eerste internationale du festival"))*.