Air Bag Not Deploy problems of the 2008 Mitsubishi Lancer

I lost control of my vehicle due to snow and slush off a tractor trailer hitting the back end of my car. The tractor trailer was going about 80mph past me as I was going only 60mph, due to my car being front wheel drive it caused me to spin out and lose control of the car. I crossed into the left lane of traffic (not hitting anyone) and then back into the right lane where I then proceeded to go off the road down an embankment. I bashed my head against the driver side window as I lost control, I then hit my head again against the window as the rear end of my car hit a tree stomp. Through hitting the tree stomp it caused my passenger side airbags to deploy but not the driver side, side airbags. Due to the driver side, side airbags not deploying as I hit the tree stomp my head smacked against the driver window extremely hard and caused me to get a concussion.