Perhaps you should try some spelling variations:
"neural model artificial neural network" » "neural femoral artificial neural network", "neural real artificial neural network", "neural model artificial neural networks", "neuron model artificial neural network", "nerf model artificial neural network", "normal model artificial neural network"
"nerf can artificial neural network" » "nerf real artificial neural network", "nerf _ artificial neural network", "nerf can artificial neural networks", "nrf can artificial neural network"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("nerf can artificial neural network") OR ("neural model artificial neural network"))~.
• Removing quotes may allow a broader search: (( nerf can artificial neural network ) or ( neural model artificial neural network ))~.
• Adding a wildcard symbol may retrieve word variants: (("nerf can artificial neural network") or ("neural model artificial neural network"))*.