Hello) I think these are not bugs but cheats in different games or boosters? maybe you can also become one of them) you can place an order on the site and see how the player will kill everyone quickly and play without defeat)  
https://nextlvl.gg

Hello. It seems to me that these tips can be useful for newcomers to Dota 2, and I am also sure that it is best to use ready-made solutions such as on this cool site for gamers z3ddota. After I just bought all the coolest skills, now I am really invincible in matches and my team wins very often. https://z3ddota.com/

I understand) means these are boosters?) but I thought bugs) thanks for the information, I will use your advice)