What can i do to get my children back if they were adopted?

Once your parental rights were terminated there was a window of opportunity to appeal the decision however if the adoption has already occurred...

Yes, if there was a stipulation that became a court order you would be violating the court order by failing to comply.

The mediation you are referencing is an opportunity for the two parties to meet with a neutral third party to attempt to work out an agreement on...

Do i have to be married ? or not?

I changed the tag to immigration to see if you could get an answer to your question from someone experienced in this area of law.

Divorce and Ex-parte question

If she did not respond you could dismiss the action

Is there a way to stop the court from terminating family reaunification

If you are in compliance with your case plan why are they recommending termination?

Is that better if I flight back to US to show up in the court for the hearing for my modification of child support case?

Perhaps you could appear by phone and ask the judge for a continuance until you can reasonably return.

We've moved to the same county. I want 50/50 time share, change of venue and child support adjusted.

You are right on track. Post judgment requests need to be served personally on the other party.

Father filed motion to prevent removal of minor child but it was never served to mother. Can father remove child out of state?

Absolutely not.

CA Cohabitation Alimony Question

You can not just stop paying but you may want to return to court for a modification or termination order