Perhaps you should try some spelling variations:
"implement modeling algorithm" » "element modeling algorithm" (Expand Search), "element modelling algorithm" (Expand Search), "implement making algorithm" (Expand Search)
"data using algorithms" » "data pacing algorithms" (Expand Search), "data nine algorithms" (Expand Search), "data sorting algorithms" (Expand Search)
"element data algorithms" » "element art algorithms" (Expand Search), "element all algorithms" (Expand Search), "element both algorithms" (Expand Search), "settlement data algorithms" (Expand Search), "relevant data algorithms" (Expand Search), "movement data algorithms" (Expand Search)

Try widening your search to All Fields.

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