Perhaps you should try some spelling variations:
"complement leiden algorithm" » "complement lectin algorithm" (Expand Search), "complement learner algorithm" (Expand Search), "complement kepler algorithm" (Expand Search), "complement mean algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural modeling algorithm" (Expand Search), "neural finding algorithm" (Expand Search)
"elements art algorithms" » "elements ml algorithms" (Expand Search), "elements _ algorithms" (Expand Search), "elements based algorithms" (Expand Search), "elements wt algorithms" (Expand Search), "elements zr algorithms" (Expand Search), "elements crcy algorithms" (Expand Search)

Try widening your search to All Fields.

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