Perhaps you should try some spelling variations:
"element tracking algorithm" » "element tracking algorithms" (Expand Search), "element training algorithms" (Expand Search), "element making algorithm" (Expand Search), "movement tracking algorithm" (Expand Search), "sleep tracking algorithm" (Expand Search), "element strain algorithm" (Expand Search)
"element method algorithm" » "element network algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mean algorithm" (Expand Search)
"element each algorithm" » "element search algorithm" (Expand Search), "element means algorithm" (Expand Search), "element data algorithm" (Expand Search), "element mesh algorithm" (Expand Search)

Try widening your search to All Fields.

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