Okay, I was having similar problems but I BELIEVE I've fixed it. It wouldn't show any servers whatsoever even without any filters.
- Installed M&B:Warband v1.153
-WSE 3.2 (unzipped straight into M&B:Warband v1.153 folder)
-Brytenwalda Repolished 1.05 (copied into Modules in M&B:Warband v1.153 folder)
-Port 7240 open
Go to - \Modules\Brytenwalda Repolished 1.05 and open module.ini
Scroll the the bottom and find this line...
# set to 1 to hide servers running other mods from the servers list
hide_other_mod_servers = 1
Initially it will be 0. Change that to 1 and save.
Start the game, go to multiplayer and all the games (napoleonic, native etc) should now load.
If you want to play with a buddy, he'll have to make that change as well.