Perhaps you should try some spelling variations:
"implement routing algorithm" » "implement cosine algorithm" (Expand Search), "implemented routing algorithm" (Expand Search), "implementing routing algorithm" (Expand Search)
"element data algorithm" » "element jaya algorithm" (Expand Search), "element deer algorithm" (Expand Search)
"element new algorithm" » "element deer algorithm" (Expand Search), "element rd algorithm" (Expand Search), "elementi per algorithm" (Expand Search)

Try widening your search to All Fields.

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