There are general advice that can be given, but no real one-size-fits-all on that. Also, a lot of the difficulty lies on the details and approach to content creation. Quite doable, but not easy especially for real traction which is ideal. In any case, if it's trending on a specific country you're after then geotargeted engagements are gonna be high up on your priority list. A strong CTR and retention will get you really far too, something grabbing for a title and thumbnail since that's your first interaction with prospective watchers. The actual content should be worth watching to the end or at least not worth clicking off of early on since the algo doesn't push vids if people click out early.
If you’re open to paid traction, some networks specialize in geo-targeted push (ads or micro-influencer drops). Your mileage may vary with that, naturally. If you're after a repeatable method, you’ll need a growth system with strong local signals and warm-up.