How can i appeal a court ruling for discrimination but i can not afford a lawyer? COUSTODY?

I HAD CHILDREN FOR 3 YEARS. 04-07 LOST KIDS.DHS DID NOT TRY TO REUNITE ME WITH MY KIDS. I HAD TO HAVE A JOB,HOUSE ECT.MOM GETS KIDS BACK NO JOB AND DID NOT HAVE TO FINISH TREATMENT TO GET KIDS BACK WITH HER HISTORY.DHS AND OTHERS THAT WORK WITH HER WOULD NOT WORK WITH ME.THEY DID NOT TAKE MY CONCERNS SERIUOSLY ABOUT MY KIDS AND RACE THEY TRIED TO KEEP MOM AND ME APART AND GIVE HER OUR KIDS TO HER BUT SHE DOSE NOT HAVE HER OTHERS FROM PAST