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)
"rodent model algorithm" » "rodent novel algorithm" (Expand Search), "rodent forest algorithm" (Expand Search), "rodent models algorithm" (Expand Search)
"forest model algorithm" » "forest novel algorithm" (Expand Search), "forest forest algorithm" (Expand Search), "best model algorithm" (Expand Search)

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