Perhaps you should try some spelling variations:
"implement routine algorithm" » "implement cosine algorithm" (Expand Search), "implemented routine algorithm" (Expand Search), "implementing routine algorithm" (Expand Search)
"element cscap algorithm" » "element cosine algorithm" (Expand Search), "elements cscap algorithm" (Expand Search)
"element dbo algorithm" » "element deer algorithm" (Expand Search), "element rd algorithm" (Expand Search), "elements dbo algorithm" (Expand Search)

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