Perhaps you should try some spelling variations:
"ann modeling algorithm" » "ann making algorithm" (Expand Search), "a modeling algorithm" (Expand Search), "afm modeling algorithm" (Expand Search), "data modeling algorithm" (Expand Search)
"deep clustering algorithm" » "cell clustering algorithm" (Expand Search), "re clustering algorithm" (Expand Search), "gene clustering 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: (((("deep clustering algorithm") OR ("ann modeling algorithm"))) OR ("element data algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"deep clustering algorithm\") OR (\"ann modeling algorithm\"))) OR (\"element data algorithm\"))".
• Removing quotes may allow a broader search: (((( deep clustering algorithm ) OR ( ann modeling algorithm ))) OR ( element data algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("deep clustering algorithm") OR ("ann modeling algorithm"))) OR ("element data algorithm"))*.