...am currently on 'live chat'

...talking to a 3rd assistant ...sigh

I'll bring you wine when you get to 4. lol

1 hour & 3 transcripts later, this is the STANDOUT:

As of now the option that you are referring to is no longer available.

To use Advanced search , next to the search box you will see Advanced option and you can click this option and you can search for an item.

....and there was no supervisor, and no call-back available at sellers' requests....apparently....