There could be a zillion reasons why these has not been translated/uploaded yet. But if you go to the list you linked, try the few last episodes, they are all uploaded by haluzator1:
He/she would be the one to ask. If you click on that name, you go to the profile page and you can post your question.
Just to be sure: keep in mind that this is all unpaid voluntary love work. Nobody is paid or obliged to do anything.