Celery dumplings can be called Qincai dumplings
Shitake mushroom dumplings can be called Gucai dumplings
It depends on what kind of meat you put in onion and meat. It is best not to put them in. Pork is better than beef and mutton
The beef ones are called Niucai dumplings, the mutton ones are called Yangcai dumplings, and the leek ones are called Jiucai dumplings
The coriander ones are called Xiangcai dumplings. Northeastern sauerkraut can be called Suancai dumplings
I am a chef and the restaurant I used to work in named the dumplings like this. I hope it can help you.