Blender SNAP TOOL HELP

I need help, when I use snap and make snapping to face (also project individual elements) this happend (PHOTO)

Help please!!

https://preview.redd.it/v42zrxnw2z161.png?width=1440&format=png&auto=webp&s=6f1d14eb08b17aee5dd7c28176d58eb33f0e1c2ahttps://preview.redd.it/otw4eitj2z161.png?width=1440&format=png&auto=webp&s=a8603ee35a6c7d6503ad3e072f43d0d7099285