I am not sure it is possible to send a report that is triggered by a search, but you can schedule a report to be sent daily that matches on those search criteria.
To do that go Reporting > Activity Search. Then filter based on what you want to report on and then click Schedule in the top right of the screen. You will now see a summary of what will be sent in the report, click Continue. Set the scheduled time for the report to be sent, click Continue. Enter a report title and email address and click Save. And you are done
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