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