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