Perhaps you should try some spelling variations:
"element matching algorithm" » "element mining algorithm" (Expand Search), "element sampling algorithm" (Expand Search), "element tracking algorithm" (Expand Search), "element mapping algorithm" (Expand Search), "employment matching algorithm" (Expand Search), "element modeling algorithm" (Expand Search)
"elements two algorithms" » "elements _ algorithms" (Expand Search), "elements ml algorithms" (Expand Search), "elements art algorithms" (Expand Search), "elements wt algorithms" (Expand Search), "elements upon algorithms" (Expand Search)
"elemental new algorithm" » "elemental xrd algorithm" (Expand Search), "elemental novel algorithm" (Expand Search), "elemental _ 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 two algorithms") OR ("elemental new algorithm"))) OR ("element matching algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elements two algorithms\") OR (\"elemental new algorithm\"))) OR (\"element matching algorithm\"))".
• Removing quotes may allow a broader search: (((( elements two algorithms ) OR ( elemental new algorithm ))) OR ( element matching algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("elements two algorithms") OR ("elemental new algorithm"))) OR ("element matching algorithm"))*.