Perhaps you should try some spelling variations:
"fold processing algorithm" » "food processing algorithm" (Expand Search), "wood processing algorithm" (Expand Search), "post processing algorithm" (Expand Search)
"element forest algorithm" » "element ore algorithm" (Expand Search)
"element te algorithms" » "element de algorithms" (Expand Search), "element tree algorithms" (Expand Search), "element two algorithms" (Expand Search), "element _ algorithms" (Expand Search), "element data algorithms" (Expand Search), "element mesh algorithms" (Expand Search)

Try widening your search to All Fields.

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