How do I synchronize multiple clips from a single video placed in the same track to an other track?

So long ago, my colleague edited the mutlicam video in track 1(v1, a1) and exported into a video(video&audio in track 2).
Later I had to edit the video a bit, but my colleague deleted the project file.
So I have the original source videos, and the final video now but I want to add a little edit and export it again.
So I brought the final video and used the 'scene edit' function and cut it into pieces(clips in track 2).
Now I want to find where the each clips belong in the original clip.
But unfortunately I can't synchronize mutiple clips in one track. The only way I know is to place all the clips to different tracks, and as you can see in the picture there are hundreds of clips there.
Is there any way I can synchronize multiple clips from a single video placed on a same track to a single video that has the original data?
