Perhaps you should try some spelling variations:
"data modeling algorithm" » "data making algorithm" (Expand Search), "data modelling algorithm" (Expand Search), "data models algorithm" (Expand Search)
"elements ree algorithms" » "elements tree algorithms" (Expand Search), "elements three algorithms" (Expand Search), "elements rl algorithms" (Expand Search), "element ree algorithms" (Expand Search), "elements res algorithms" (Expand Search), "elements fe algorithms" (Expand Search)
"elements based algorithm" » "experiments based algorithm" (Expand Search), "elements related algorithm" (Expand Search)

Try widening your search to All Fields.

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