The search uses Lunr.js. You can use of any of the advanced features you see in the docs.
Click on any of the results to jump to that place in the video.
Some examples:
lactic acidsearches for `lactic` or `acid` in the transcript text
+cancer metabolism -mitochondriamust contain `cancer`, must not contain `mitochondria` and optionally contains `metabolism`
viro*wildcard search