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 tree algorithms" » "element three algorithms" (Expand Search), "element art algorithms" (Expand Search), "element two algorithms" (Expand Search), "element ree algorithms" (Expand Search), "element te algorithms" (Expand Search), "element ore algorithms" (Expand Search)
"element data algorithms" » "element art algorithms" (Expand Search), "element all algorithms" (Expand Search), "element both algorithms" (Expand Search), "settlement data algorithms" (Expand Search), "relevant data algorithms" (Expand Search), "movement 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 tree algorithms") OR ("element data algorithms"))) OR ("element tracking algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element tree algorithms\") OR (\"element data algorithms\"))) OR (\"element tracking algorithm\"))".
• Removing quotes may allow a broader search: (((( element tree algorithms ) OR ( element data algorithms ))) OR ( element tracking algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element tree algorithms") OR ("element data algorithms"))) OR ("element tracking algorithm"))*.