Perhaps you should try some spelling variations:
"md classification algorithm" » "_ classification algorithm" (Expand Search), "bird classification algorithm" (Expand Search), "image classification algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural colony algorithm" (Expand Search), "neural scheduling algorithm" (Expand Search)
"element data algorithms" » "element jaya algorithm" (Expand Search), "elements data algorithms" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("element data algorithms") OR ((("md classification algorithm") OR ("neural coding algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element data algorithms\") OR (((\"md classification algorithm\") OR (\"neural coding algorithm\"))))".
• Removing quotes may allow a broader search: (( element data algorithms ) OR ((( md classification algorithm ) OR ( neural coding algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element data algorithms") OR ((("md classification algorithm") OR ("neural coding algorithm"))))*.