Perhaps you should try some spelling variations:
"case modeling algorithm" » "case making algorithm" (Expand Search), "based modeling algorithm" (Expand Search), "data modeling algorithm" (Expand Search), "a 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 study algorithm" » "element wsindy algorithm" (Expand Search), "element td3 algorithm" (Expand Search), "element seu algorithm" (Expand Search), "relevant study algorithm" (Expand Search), "present study algorithm" (Expand Search), "recent study algorithm" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("present update algorithm") OR ("element study algorithm"))) OR ("case modeling algorithm"))~.
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• Removing quotes may allow a broader search: (((( present update algorithm ) OR ( element study algorithm ))) OR ( case modeling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("present update algorithm") OR ("element study algorithm"))) OR ("case modeling algorithm"))*.