Here is an explanation of 44/8 and its practical applications

If you're having trouble accessing a Google product, there's a chance we're currently experiencing a temporary problem. You can check for outages and downtime on the Google Workspace Status … Which one is it really: hear hear or here here? Where does the saying really come from? Official Travel Help Center where you can find tips and tutorials on using Travel and other answers to frequently asked questions.

Contrariwise, 'in here' and 'from here' both relate to physical spaces, hence the need for the article. Sven Yarg's examples seem to indicate that the uses in print mostly relate to deliberate … "Hear hear" or "here here" - English Language & Usage Stack Exchange grammar - "In here", "from here", and "at here" - English Language ...