I'll let you know the next time I'm searching for something and how I think it should have showed up. I can't remember exactly what I was doing at the time, I should have mentioned it when I wrote my original comment...

One thing I was searching for that I couldn't find was this 'daily discussion thread'. I searched for 'daily' and didn't see it come up for me to find this post. There was something more specific I was looking for before that that prompted me to find this thread because I thought maybe the behavior changed because of indexing.