While Google indexes web pages, Shodan indexes device banners. A typical Google dork might find the camera's web interface. Shodan can find the raw video stream (RTSP) on port 554, often without any HTML wrapper. The search port:554 has_screenshot:true on Shodan is arguably more dangerous than any Google dork.
Executing this query (or having done so historically) reveals thousands of results, typically falling into these categories: intitle live view - axis
This section is the most critical. Using the intitle live view -axis search is a double-edged sword. While Google indexes web pages, Shodan indexes device
If you own an IP camera, you might be horrified to learn that your own feed could be available via a Google dork. Here is how to check and secure your devices. While Google indexes web pages