Just recite the holy names of Guanyin Bodhisattva and Ksitigarbha Bodhisattva. Bless the dog to come back safely, and it does not rule out that the dog will be caught by others... In short, it is good for the dog to come back alive and healthy. If After leaving, just be reborn in a good path.
Of course, there is also a supernatural way to find a dog, which is to bring a basket of paper money at twelve o'clock in the middle of the night, under a dark moon and high winds. Find a crossroads, look around for no one, then lie down with confidence, kneel down to worship the ghosts and gods in the most pious posture, get down on all fours, and slowly burn the paper money. At this time, there will be a dark wind coming, don't be anxious, don't be afraid, in your heart Thinking firmly about my dog, be careful not to have other thoughts when doing these things, be sure to maintain a sense of awe, and then bark...