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)
"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)
"element data algorithm" » "element data algorithms" (Expand Search), "element update algorithm" (Expand Search), "element atlas algorithm" (Expand Search), "settlement data algorithm" (Expand Search), "relevant data algorithm" (Expand Search), "movement data algorithm" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("elements rast algorithm") OR ("element data algorithm"))) OR ("implement routine algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elements rast algorithm\") OR (\"element data algorithm\"))) OR (\"implement routine algorithm\"))".
• Removing quotes may allow a broader search: (((( elements rast algorithm ) OR ( element data algorithm ))) OR ( implement routine algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("elements rast algorithm") OR ("element data algorithm"))) OR ("implement routine algorithm"))*.