Perhaps you should try some spelling variations:
"implement routine algorithm" » "implement routing algorithm" (Expand Search), "implement cosine algorithm" (Expand Search), "implement retinex 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 rast algorithm" » "elements best algorithm" (Expand Search), "elements forest algorithm" (Expand Search), "elements based algorithm" (Expand Search), "elements res algorithm" (Expand Search), "elements wt 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 rast algorithm") OR ("element data algorithms"))) OR ("implement routine algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elements rast algorithm\") OR (\"element data algorithms\"))) OR (\"implement routine algorithm\"))".
• Removing quotes may allow a broader search: (((( elements rast algorithm ) OR ( element data algorithms ))) OR ( implement routine algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("elements rast algorithm") OR ("element data algorithms"))) OR ("implement routine algorithm"))*.