Perhaps you should try some spelling variations:
"tests pacing algorithms" » "tests tracking algorithms" (Expand Search), "tests planning algorithms" (Expand Search), "tests making algorithm" (Expand Search), "tests using algorithms" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural modeling algorithm" (Expand Search), "neural finding algorithm" (Expand Search)
"element data algorithms" » "element art algorithms" (Expand Search), "element all algorithms" (Expand Search), "element both algorithms" (Expand Search), "settlement data algorithms" (Expand Search), "relevant data algorithms" (Expand Search), "movement data algorithms" (Expand Search)

Try widening your search to All Fields.

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