How do I deal with "fractured" communities?

One of the biggest issues I'm having trouble getting past with Lemmy is not knowing which communities to subscribe to.

An example, if there are like 10+ different communities for "technology", do I really have to subscribe to all of them just to get the same experience I would have gotten on /r/technology?

Is there a way to "clump" these communities together so I can just subscribe to one "multi-community" that houses the posts from all of them?