There is a search field present at all pages. By pressing Hotkey+S for "search" (usually Alt+Shift+S when using Windows) you can enter this field instead of using the mouse.
You can search for a game directly when typing in the URL. Simply add your search phrase after alexandria.dk/ in the address field, e.g.
In this case Alexandria will search for "We were WASP" and redirect you to the matching page.