Minecraft player heads?

How can you get players heads in survival without commands in the Minecraft bedrock Edition

Not at all, you can only cheat it.

This is only possible with cheating. Generally you have to cheat player heads, there's no other way. From 1.13 this is only possible with command blocks!

Unfortunately, that is impossible. But you could:

with skull: kill many with skeletons until one drops

Skeleton, zombie, creeper: wait for a thunderstorm and hope that a creeper is struck by lightning or also throw a trident with the enchantment discharge on a creeper during thunderstorms. Then when you have a charged creeper, let it explode as much as possible on the mobs listed above.