Perhaps you should try some spelling variations:
"data modelling algorithm" » "data scheduling algorithm" (Expand Search)
"element modeling algorithm" » "element scheduling algorithm" (Expand Search), "elements modeling algorithm" (Expand Search)
"element cnn algorithm" » "element rd algorithm" (Expand Search), "element colony algorithm" (Expand Search), "element cosine algorithm" (Expand Search), "elements cnn algorithm" (Expand Search)

Try widening your search to All Fields.

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