Perhaps you should try some spelling variations:
"implement routine algorithm" » "implement cosine algorithm" (Expand Search)
"element method algorithm" » "element mould algorithm" (Expand Search)
"elements fe algorithms" » "elements _ algorithms" (Expand Search), "elements rd algorithm" (Expand Search), "elementi per algorithms" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("elements fe algorithms") OR ("element method algorithm"))) OR ("implement routine algorithm"))~.
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