Perhaps you should try some spelling variations:
"experimental case algorithm" » "experimental data algorithm" (Expand Search), "experimental dataset algorithm" (Expand Search), "experimental model algorithm" (Expand Search), "experimental based algorithm" (Expand Search), "experimental rast algorithm" (Expand Search), "experimental pass algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural modeling algorithm" (Expand Search), "neural finding algorithm" (Expand Search)
"element box algorithm" » "element best algorithm" (Expand Search), "element _ algorithm" (Expand Search), "element ii algorithm" (Expand Search), "elements box 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 box algorithm") OR ((("experimental case algorithm") OR ("neural coding algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element box algorithm\") OR (((\"experimental case algorithm\") OR (\"neural coding algorithm\"))))".
• Removing quotes may allow a broader search: (( element box algorithm ) OR ((( experimental case algorithm ) OR ( neural coding algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element box algorithm") OR ((("experimental case algorithm") OR ("neural coding algorithm"))))*.