Why are you writing the question about the latest version of the game in the comment section about the demo version? Locations where you encounter your problem are not existing in the version presented here.
Bushes with an icon pop-up require you to press a button to hide in them; it's similar to the hide and seek with False Angel's camp.
Goblins are not going down because you are too weak to hurt them. Bonk them more than 5 times or reload the save and buy Strenght potion; each one you drink shortens the time you need to bonk enemies by one bonk.