Still broke even if I have a job. Any advice?

So I have a decent work but I still am broke. I give my parents about 1/2-3/4 of my monthly salary as I still live with them (I'm not from the US, we have culture here to pay parents back and all that bs, we are poor btw). I don't even have savings. I'm 22 and been broke almost everyday of my life. I buy lots of food and don't buy much stuff other than that. Any advice please?