Perhaps you should try some spelling variations:
"improvements can algorithms" » "improvements make algorithms" (Expand Search), "improvements _ algorithms" (Expand Search), "improvement gap algorithms" (Expand Search), "improvements cnn algorithm" (Expand Search), "improvements nn algorithms" (Expand Search), "improvements nine algorithms" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural modeling algorithm" (Expand Search), "neural finding algorithm" (Expand Search)
"element lasso algorithm" » "element based algorithm" (Expand Search), "element based algorithms" (Expand Search)

Try widening your search to All Fields.

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