One thing I have done in the past is to do what I was told to do. Use words that the dogs have been trained (typically) to understand and obey. If you see a dog coming at you from a yard yell, "Stay!" You'll be surprised how many dogs are trained to obey that command. I had a dog running full speed at me, I yelled stay and he had his brakes on 20 feet from the edge of the yard. He sat there befuddled and watched me ride by. Use their training against them.