Perhaps you should try some spelling variations:
"fluent modeling algorithm" » "fluent making algorithm" (Expand Search), "element modeling algorithm" (Expand Search), "forest modeling algorithm" (Expand Search), "plant modeling algorithm" (Expand Search)
"present update algorithm" » "present pass algorithm" (Expand Search), "present data algorithms" (Expand Search), "present ipca algorithm" (Expand Search), "present data algorithm" (Expand Search)
"element method algorithm" » "element network algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mean algorithm" (Expand Search)

Try widening your search to All Fields.

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