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

Try widening your search to All Fields.

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

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