Perhaps you should try some spelling variations:
"pre processing algorithm" » "pre modeling algorithm" (Expand Search), "pre routing algorithm" (Expand Search), "pre tracking algorithm" (Expand Search), "time processing algorithm" (Expand Search), "_ processing algorithm" (Expand Search), "rna processing algorithm" (Expand Search)
"elements method algorithm" » "elements network algorithm" (Expand Search), "elements means algorithm" (Expand Search), "elements mean algorithm" (Expand Search), "element method algorithm" (Expand Search)
"movement data algorithm" » "movement data algorithms" (Expand Search), "movement update algorithm" (Expand Search), "movement atlas algorithm" (Expand Search)

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