Perhaps you should try some spelling variations:
functional » function (Expand Search)
"Functional line artificial neural network" » "Functional life artificial neural network" (Expand Search)
"Functional like artificial neural network" » "Functional life artificial neural network" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("Functional line artificial neural network") OR ("Functional like artificial neural network"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Functional line artificial neural network\") OR (\"Functional like artificial neural network\"))*".
• Removing quotes may allow a broader search: (( Functional line artificial neural network ) OR ( Functional like artificial neural network ))*.