Perhaps you should try some spelling variations:
"element processing algorithm" » "fluent processing algorithm" (Expand Search), "dependent processing algorithm" (Expand Search), "plant processing algorithm" (Expand Search)
"element means algorithm" » "element search algorithm" (Expand Search), "element mesh algorithm" (Expand Search)
"latent mean algorithm" » "latent new algorithm" (Expand Search), "latent em algorithm" (Expand Search), "latent each algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("latent mean algorithm") OR ((("element processing algorithm") OR ("element means algorithm"))))~.
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• Removing quotes may allow a broader search: (( latent mean algorithm ) OR ((( element processing algorithm ) OR ( element means algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("latent mean algorithm") OR ((("element processing algorithm") OR ("element means algorithm"))))*.