Perhaps you should try some spelling variations:
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural colony algorithm" (Expand Search), "neural scheduling algorithm" (Expand Search)
"elements rf algorithm" » "elements rd algorithm" (Expand Search), "elements _ algorithms" (Expand Search), "elements _ algorithm" (Expand Search)
"elemental rl algorithm" » "elemental rd algorithm" (Expand Search), "elemental carlo algorithm" (Expand Search), "elemental _ algorithms" (Expand Search), "elementary rl algorithm" (Expand Search), "element rl algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("elements rf algorithm") OR ((("elemental rl algorithm") OR ("neural coding algorithm"))))~.
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• Adding a wildcard symbol may retrieve word variants: (("elements rf algorithm") OR ((("elemental rl algorithm") OR ("neural coding algorithm"))))*.