Another similar over-view with a few extras can be found here:
Here's how to delete or uninstall apps from your Mac, in macOS ...by default
since Mac OS X 10.6, ... Terminal.app to seek out and remove unwanted ...
macworld.co.uk/how-to/mac-software/how-delete-apps-on-mac...
There are details that make it easier to navigate using 'Go To Folder',
& Go in the Finder menu bar to locate Applications & other Folders.
I've used 'Easy Find' to perform internal searches in some of my Macs
but be careful because a find and remove utility can easily wipe out
important parts of your Mac OS X. ~ See Maker's site to get Easy Find:
EasyFind finds files and folders by name or content using advanced Boolean operators
similar to DEVONthink and DEVONagent, wildcards, ... Click to download.
devontechnologies.com/products/freeware.html
And try 'Find any File' -- have a look at Thomas Tempelmann's [in app store Find Any File ].
OR download
Hopefully you'll have no issues in doing this. Was there a specific kind
of software you sought to remove from Snow Leopard 10.6.8..?
Good luck & happy trails! 🙂