Perhaps you should try some spelling variations:
"fold processing algorithm" » "fold modeling algorithm" (Expand Search), "fold routing algorithm" (Expand Search), "fold tracking algorithm" (Expand Search), "food processing algorithm" (Expand Search), "wood processing algorithm" (Expand Search), "post processing algorithm" (Expand Search)
"data modelling algorithm" » "data modeling algorithm" (Expand Search)
"movement data algorithm" » "movement data algorithms" (Expand Search), "movement update algorithm" (Expand Search), "movement atlas 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 modelling algorithm") OR ("fold processing algorithm"))) OR ("movement data algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"data modelling algorithm\") OR (\"fold processing algorithm\"))) OR (\"movement data algorithm\"))".
• Removing quotes may allow a broader search: (((( data modelling algorithm ) OR ( fold processing algorithm ))) OR ( movement data algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("data modelling algorithm") OR ("fold processing algorithm"))) OR ("movement data algorithm"))*.