concentrate on the edges of terrain features. Deer love cut downs for bedding areas. They will often follow creek beds for movement and so on. If your not seeing deer, make a drastic move to the other side of the property. They are eating somewhere.
We had the same thing going on here on a property I hunt. Last year a ton of deer, this year the does had seemingly evaporated. We moved to the opposite side of the property and the season changed dramatically.