Come one its been far too long for a feature like this to not be implented and that I have to use google to find a game

Sometimes I use it, it works. Sometimes I use it, it don't work. Technical issues bork the experience of finding games.

Program? You mean Galaxy?

In GOG Galaxy, ignore the magnifying glass at the top of the sidebar to the left. Instead, expand the GOG Store section, then click All Games. Use the search bar and filters in the section that opens on the right.

On the site, that's equivalent to expanding the Store menu at the top, then choosing Browse All Games at the bottom of that menu.
On the site, you can also use the magnifying glass in the top right corner to open the quick search bar.

Thanks