How <HARD> have you been scouting? I find success every year, if I'm not trophy hunting, gladly accepting something smaller. Still to this day, much and almost most of my time is scouting. I do a lot of scouting in the spring to see what went on in the previous Fall, then I do a lot of pre-scouting just prior to season, then I do a lot of in-season scouting to see what the deer are doing and where they are.
I don't sit in a treestand to see if I'm going to kill something. I let the scouting tell me where I will get something and that's where I position myself for the hunt.
After a morning's hunt, you may do yourself some good and walk around quietly using the wind to your advantage and see what the sign or lack thereof is telling you. When I'm not seeing deer, I move on to another picked out location or scout around.
Good luck,
iSnipe