Here are the different combinations to make a garage in Alchemy 2.

ambulance + barn
ambulance + container
ambulance + house

ambulance + wall
barn + bus
barn + car
barn + electric car
barn + ice cream truck
barn + motorcycle
barn + rv
barn + sleigh
barn + snowmobile
barn + tractor
bus + container
bus + house
bus + wall
car + container
car + house
car + wall
container + electric car
container + ice cream truck
container + motorcycle
container + rv
container + sleigh
container + snowmobile
container + tractor
electric car + house
electric car + wall
house + ice cream truck
house + motorcycle
house + rv
house + sleigh
house + snowmobile
house + tractor
ice cream truck + wall
motorcycle + wall
rv + wall
sleigh + wall
snowmobile + wall
tractor + wall