Perhaps you should try some spelling variations:
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural colony algorithm" (Expand Search), "neural scheduling algorithm" (Expand Search)
"tested using algorithm" » "tested cosine algorithm" (Expand Search), "system using algorithm" (Expand Search)
"element mean algorithm" » "element deer algorithm" (Expand Search), "element search algorithm" (Expand Search), "elements mean algorithm" (Expand Search)

Try widening your search to All Fields.

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