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 update algorithm" » "element pass algorithm" (Expand Search), "element data algorithms" (Expand Search), "element ipca algorithm" (Expand Search), "element data algorithm" (Expand Search)
"element meshs algorithm" » "element means algorithm" (Expand Search), "element best algorithm" (Expand Search), "element mean algorithm" (Expand Search), "element mesh algorithm" (Expand Search), "element method 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 update algorithm") OR ((("element tracking algorithm") OR ("element meshs algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element update algorithm\") OR (((\"element tracking algorithm\") OR (\"element meshs algorithm\"))))".
• Removing quotes may allow a broader search: (( element update algorithm ) OR ((( element tracking algorithm ) OR ( element meshs algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element update algorithm") OR ((("element tracking algorithm") OR ("element meshs algorithm"))))*.