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)
"element pso algorithm" » "elementi per algorithm" (Expand Search)
"fluent tracking algorithm" » "effluent tracking algorithm" (Expand Search), "fluent training algorithm" (Expand Search), "fluent taking 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 pso algorithm") OR ((("fluent tracking algorithm") OR ("neural coding algorithm"))))~.
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• Removing quotes may allow a broader search: (( element pso algorithm ) OR ((( fluent tracking algorithm ) OR ( neural coding algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element pso algorithm") OR ((("fluent tracking algorithm") OR ("neural coding algorithm"))))*.