Keep training, but also secure the dogs when you have visitors. Use xpens or baby gates to keep them away from the doors.
I thought my boys were trained not to bolt out the door, but Teddy bolted one day and chased the UPS truck down the street.
My dad was the one who opened the door. He wasn't very good about giving the "stay" command. Luckily I was returning home at the same time and saw Teddy running after the truck. I got out of the car and knelt down while calling him to me.
I put up baby gates that day. They aren't ideal but great exercise stepping over them, and they give me peace of mind.
In terms of catching a loose dog, try not to chase. Keeping working on the commands come, stay, down, and stop. I used "stop" once when Max was headed for an open gate in our yard. I almost fell on top of him because I was surprised he obeyed.
