Perhaps you should try some spelling variations:
"het eerste internationale a festival" » "het de internationale a festival" (Expand Search), "het eerste international a festival" (Expand Search), "het eerste internationale dag festival" (Expand Search), "het eerste internationale de festival" (Expand Search), "de eerste internationale a festival" (Expand Search), "het eerste internationale du festival" (Expand Search), "het eerste internationale het festival" (Expand Search)
"en _ international group festival" » "en _ international dour festival" (Expand Search), "en _ international goa festival" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"het eerste internationale a festival\") OR (\"en _ international group festival\"))~".
• Removing quotes may allow a broader search: (( het eerste internationale a festival ) OR ( en _ international group festival ))~.
• Adding a wildcard symbol may retrieve word variants: (("het eerste internationale a festival") OR ("en _ international group festival"))*.