Most reliable way to search for EY Partner Saver J?

Pointify is tracking this award space for the points-and-miles community.

Etihad Y is easy enough to search for & book: B6, AA, NH all show space pretty reliably. As for EY J, AA only shows closer-in space (ie 30-60 days out max). AC has random availability that looks to be expanded well beyond partner saver space, which is pretty unhelpful. AF's site will decide when it wants to show space (searches on AF's site 1 minute apart will show then not-show the same space). EY's direct site often shows GuestSea