Perhaps you should try some spelling variations:
"tests sorting algorithms" » "tests routing algorithm" (Expand Search), "tests learning algorithms" (Expand Search), "waste sorting algorithms" (Expand Search), "test setting algorithms" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural modeling algorithm" (Expand Search), "neural finding algorithm" (Expand Search)
"element abs algorithm" » "element anbs algorithm" (Expand Search), "element pass algorithm" (Expand Search), "element b algorithm" (Expand Search), "element fbe algorithm" (Expand Search), "element data algorithm" (Expand Search), "element mesh 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 abs algorithm") OR ("tests sorting algorithms"))) OR ("neural coding algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element abs algorithm\") OR (\"tests sorting algorithms\"))) OR (\"neural coding algorithm\"))".
• Removing quotes may allow a broader search: (((( element abs algorithm ) OR ( tests sorting algorithms ))) OR ( neural coding algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element abs algorithm") OR ("tests sorting algorithms"))) OR ("neural coding algorithm"))*.