Perhaps you should try some spelling variations:
"cell counting algorithms" » "cell routing algorithm" (Expand Search), "cell sorting algorithms" (Expand Search), "cell clustering algorithms" (Expand Search), "cell count algorithms" (Expand Search), "cell counts algorithms" (Expand Search)
"element method algorithm" » "element network algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mean algorithm" (Expand Search), "elements method algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural modeling algorithm" (Expand Search), "neural finding 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 method algorithm") OR ("cell counting algorithms"))) OR ("neural coding algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element method algorithm\") OR (\"cell counting algorithms\"))) OR (\"neural coding algorithm\"))".
• Removing quotes may allow a broader search: (((( element method algorithm ) OR ( cell counting algorithms ))) OR ( neural coding algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element method algorithm") OR ("cell counting algorithms"))) OR ("neural coding algorithm"))*.