Perhaps you should try some spelling variations:
"destruction technologies" » "construction technologies", "detection technologies", "extraction technologies"
"construction technology" » "construction techniques", "conversion technology", "communication technology"

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