I wanted to look back at the Z30-upgrade thread... it's no anymore "in range" within the "all thread" with no filters.
So I tough to search it "Z30" and ...

!! I get only my own references !!

What I'm doing the wrong way?

At the bottom of the list is should say…
See full “Threads” results page with 44 results.

For: Z30

Thanks, @Greg.

Clicking on it will open the full list of the 44 posts/threads I've participated.

No more than what is already in the drop-down.

( I should have specified that )

EDIT

Sorry, I was wrong.
I had to scroll down quite some, but found it !

Google site search.

Z30 site:dprevived.com

Complete search phrase in bold, and showing blue here. lol
...cut and paste the whole phrase into google.

Edit: at the moment it is only showing ten results, as this website may not be heavily indexed (yet) by their bots.
and... we moved to a new server recently.

Generally, a google site search will return all results.

Oh!

You're right!!!

( alternative thinking is usually a winner )