Perhaps you should try some spelling variations:
transformation kulturelle » transformation kulturellen, transformation structurelle, transformation kultur
"informationen aktuelle" » "informationen visuelle", "annotationen aktuelle", "informatik aktuelle"
formate kultureller » formaler kultureller, form kultureller, normalitat kultureller

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("informationen aktuelle") OR ("((((transformation kulturelle) or (formate kultureller))) or (informatik akademie))")).
• Removing quotes may allow a broader search: (( informationen aktuelle ) or ( ((((transformation kulturelle) or (formate kultureller))) or (informatik akademie)) )).
• Adding a wildcard symbol may retrieve word variants: (("informationen aktuelle") or ("((((transformation kulturelle) or (formate kultureller))) or (informatik akademie))"))*.