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