Perhaps you should try some spelling variations:
"neural codingnb algorithm" » "neural cosine algorithm" (Expand Search), "neural codinrd algorithm" (Expand Search)
"element gnb algorithm" » "element rd algorithm" (Expand Search), "elements gnb algorithm" (Expand Search)
"element mappingnb algorithm" » "element mappinrd algorithm" (Expand Search), "elements mappingnb algorithm" (Expand Search), "element mapping algorithm" (Expand Search), "element mappings algorithm" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("element gnb algorithm") OR ((("element mappingnb algorithm") OR ("neural codingnb algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element gnb algorithm\") OR (((\"element mappingnb algorithm\") OR (\"neural codingnb algorithm\"))))".
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• Adding a wildcard symbol may retrieve word variants: (("element gnb algorithm") OR ((("element mappingnb algorithm") OR ("neural codingnb algorithm"))))*.