Perhaps you should try some spelling variations:
"nerf model artificial neural network" » "nerf femoral artificial neural network", "nerf model artificial neural networks", "new model artificial neural network", "neural model artificial neural network", "neuron model artificial neural network"
"neurons real artificial neural network" » "neurons can artificial neural network", "neurons femoral artificial neural network", "neurons real artificial neural networks", "neuronal real artificial neural network"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("neurons real artificial neural network") or ("nerf model artificial neural network"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("neurons real artificial neural network") OR ("nerf model artificial neural network"))*.
• Removing quotes may allow a broader search: (( neurons real artificial neural network ) or ( nerf model artificial neural network ))*.