It only pulls in the first track with a track artist of “various artists” and no other tracks. In Jaikoz the track artist is the specific artist and the album artist is the “various” one. There are 33 tracks on two disks. I tried only adding 1 disk, as well, but got the same result.
Adding Various Artist Compilation album to MusicBrainz doesn't import tracks
Are you talking about matching and album to MusicBrainz or submitting a new album to MusicBrainz.