Perhaps you should try some spelling variations:
"elements leiden algorithm" » "elements learner algorithm" (Expand Search), "elements kepler algorithm" (Expand Search), "elements mean algorithm" (Expand Search), "elements tended algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural modeling algorithm" (Expand Search), "neural finding algorithm" (Expand Search)
"element data algorithm" » "element data algorithms" (Expand Search), "element update algorithm" (Expand Search), "element atlas algorithm" (Expand Search), "settlement data algorithm" (Expand Search), "relevant data algorithm" (Expand Search), "movement data 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 leiden algorithm") OR ("element data algorithm"))) OR ("neural coding algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elements leiden algorithm\") OR (\"element data algorithm\"))) OR (\"neural coding algorithm\"))".
• Removing quotes may allow a broader search: (((( elements leiden algorithm ) OR ( element data algorithm ))) OR ( neural coding algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("elements leiden algorithm") OR ("element data algorithm"))) OR ("neural coding algorithm"))*.