Perhaps you should try some spelling variations:
"based modeling algorithm" » "based making algorithm" (Expand Search), "based model algorithm" (Expand Search), "based models algorithm" (Expand Search)
"data clustering algorithm" » "deep clustering algorithm" (Expand Search), "spatial clustering algorithm" (Expand Search), "dbscan clustering algorithm" (Expand Search)
"element mean algorithm" » "element means algorithm" (Expand Search), "element new algorithm" (Expand Search), "element each algorithm" (Expand Search), "element mesh algorithm" (Expand Search), "latent mean algorithm" (Expand Search), "element te algorithm" (Expand Search)

Try widening your search to All Fields.

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