Enter the following codes on the Map screen.
dhbambi - This shows where the deer are at all times.
dhdoeinheat - Lures deer toward you.
dhstealth - Deer can't see you.
dhbuckdown - Deer won't run away if you shoot and miss
Some Useful Cheats
To call a buck quickly, use the call once, rattle three or four times, then call twice. You should see a buck in a few minutes.
Also, when playing, always keep the wind blowing up. That way the deer can't smell you.