The Youtube Transcript Search chrome extension does exactly what you're looking for.
https://youtubetranscriptsearch.com/
https://chromewebstore.google.com/detail/majldhdjdophhohfppnjlgnljcbjkakb
The Youtube Transcript Search chrome extension does exactly what you're looking for.
https://youtubetranscriptsearch.com/
https://chromewebstore.google.com/detail/majldhdjdophhohfppnjlgnljcbjkakb