Perhaps you should try some spelling variations:
"implement routing algorithm" » "implement cosine algorithm" (Expand Search)
"element method algorithm" » "element mould algorithm" (Expand Search), "elements method algorithm" (Expand Search)
"element rast algorithm" » "element jaya algorithm" (Expand Search), "element rd algorithm" (Expand Search), "elements rast algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("element rast algorithm") OR ((("implement routing algorithm") OR ("element method algorithm"))))~.
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