Answer:
If your videos are on You Tube look up how to open transcript, and you won't have to watch the video and you'll just search in the transcript. To search the transcript you use Ctrl+F, and click on those two keys at the same time. You'll be able to find some answers. I hope you're able to find these! :)
(P.s that method doesn't work on phones & Ipads/tablets. Works on PC, computer, and desktop etc.)