Perhaps you should try some spelling variations:
"neuro femoral artificial neural network" » "neuro real artificial neural network", "neuro femoral artificial neural networks"
"nerf model artificial neural network" » "nerf real artificial neural network", "nerf model artificial neural networks", "new model artificial neural network", "neural model artificial neural network", "neuron model 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: (("neuro femoral artificial neural network") or ("nerf model artificial neural network"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("neuro femoral artificial neural network") OR ("nerf model artificial neural network"))*.
• Removing quotes may allow a broader search: (( neuro femoral artificial neural network ) or ( nerf model artificial neural network ))*.