Perhaps you should try some spelling variations:
"destruction technologies" » "construction technologies", "detection technologies", "extraction technologies"
"disruptive technologien" » "disruptive technologies", "disruptive technology", "assistive technologien"

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: (("disruptive technologien") OR ("destruction technologies")).
• Removing quotes may allow a broader search: (( disruptive technologien ) or ( destruction technologies )).
• Adding a wildcard symbol may retrieve word variants: (("disruptive technologien") or ("destruction technologies"))*.