Perhaps you should try some spelling variations:
"implement cascade algorithm" » "complement cascade algorithm" (Expand Search), "implement cscap algorithm" (Expand Search), "implement based algorithm" (Expand Search), "implement cosine algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural modeling algorithm" (Expand Search), "neural finding algorithm" (Expand Search)
"element rl algorithms" » "element ml algorithms" (Expand Search), "element rl algorithm" (Expand Search), "element art algorithms" (Expand Search), "element ore algorithms" (Expand Search), "element ree algorithms" (Expand Search), "element _ algorithms" (Expand Search)

Try widening your search to All Fields.

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