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)
"element mesh algorithm" » "element best algorithm" (Expand Search), "element mean algorithm" (Expand Search), "element means algorithm" (Expand Search), "element method algorithm" (Expand Search), "elements mges algorithm" (Expand Search), "element te algorithm" (Expand Search)
"element rl algorithm" » "element rl algorithms" (Expand Search), "element rf algorithm" (Expand Search), "element ml algorithms" (Expand Search), "element ore algorithm" (Expand Search), "element ree algorithm" (Expand Search), "element _ 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 rl algorithm") OR ("element mesh algorithm"))) OR ("implement modeling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element rl algorithm\") OR (\"element mesh algorithm\"))) OR (\"implement modeling algorithm\"))".
• Removing quotes may allow a broader search: (((( element rl algorithm ) OR ( element mesh algorithm ))) OR ( implement modeling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element rl algorithm") OR ("element mesh algorithm"))) OR ("implement modeling algorithm"))*.