Having mud brick cannot ad things to walls
Consider brick clips. They are made for exterior but should work as well.
There are some ideas here to try:
Hi there, maybe this video will help - https://www.youtube.com/watch?v=58BvyxFbt3Y
Have you considered placing items on stands,a bookshelf, or a ladder, you may have to go that route if your cannot attach to or enter the mud brick walls?
Hi Valente.tracy: If you are asking how to repair your mud bricks, here is a site that shows you how to do that. You can make a smaller amount than this guy is using by using 2 parts of brick sand to 1 part of washed sand. You can probably get them at most home improvement stores.
Hello Valente.tracy hope this video helps you out, once you fix it, you may want to pick up some command hooks for hanging things on the walls.