Probably quicker to recreate it from scratch than spend lots of time scrolling through that public database looked for the perfect one that's more likely than not indexed incorrectly and thus effectively unfindable.
blensor
If the prompt is saved alongside with it then it should be manageable.
Or at least if platforms would show similar results you can use before generating something new.
For all the first frame/last frame video creations it's probably not feasable but for pure text to video it could work