I can't find my apex account

My apex legends account name is 敲昏SANA跟她拍昏纱照 and it is connected to steam, but I can’t find it. Please I need to find one of my teamates name to play with him again

Hi, you should search through Origin/EA Play username. You will have one, even if you play on Steam. If you’re unsure what it is, check your emails from Origin/EA or contact their customer support.