Perhaps you should try some spelling variations:
"complement complex algorithm" » "complement component algorithm" (Expand Search), "complement components algorithm" (Expand Search), "complement kepler algorithm" (Expand Search), "complement cosine algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural modeling algorithm" (Expand Search), "neural finding algorithm" (Expand Search)
"element data algorithm" » "element data algorithms" (Expand Search), "element update algorithm" (Expand Search), "element atlas algorithm" (Expand Search), "settlement data algorithm" (Expand Search), "relevant data algorithm" (Expand Search), "movement data algorithm" (Expand Search)

Try widening your search to All Fields.

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