Perhaps you should try some spelling variations:
"element mapping algorithm" » "element making algorithm" (Expand Search), "element mining algorithm" (Expand Search), "element learning algorithm" (Expand Search), "elemental mapping algorithm" (Expand Search), "element modeling algorithm" (Expand Search), "argument mapping algorithm" (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)
"elements pass algorithm" » "elements lasso algorithm" (Expand Search), "elements pso algorithm" (Expand Search), "elements rast algorithm" (Expand Search), "elements based algorithm" (Expand Search), "elements mges algorithm" (Expand Search), "elements ppm 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 pass algorithm") OR ("element data algorithms"))) OR ("element mapping algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elements pass algorithm\") OR (\"element data algorithms\"))) OR (\"element mapping algorithm\"))".
• Removing quotes may allow a broader search: (((( elements pass algorithm ) OR ( element data algorithms ))) OR ( element mapping algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("elements pass algorithm") OR ("element data algorithms"))) OR ("element mapping algorithm"))*.