U could get a cooling fan that sits underneath your laptop....
put a fan right next to it as you type same thing just make sure it blows across the key board
Do you have a cooling pad for your laptop? if not it could really help you as well as checking if the internal fan is stuck. Not sure how one does that but I think there is an internal fan. Good luck. I wish I could be more helpful but I do not know much about computers but I have seen cooling pads so they are available and pretty cheap.