Perhaps you should try some spelling variations:
"reverse learning algorithm" » "reverse learning algorithms" (Expand Search)
"neural modeling algorithm" » "neural scheduling algorithm" (Expand Search)
"element mesh algorithm" » "element deer algorithm" (Expand Search), "element search algorithm" (Expand Search), "elements mesh 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 mesh algorithm") OR ((("reverse learning algorithm") OR ("neural modeling algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element mesh algorithm\") OR (((\"reverse learning algorithm\") OR (\"neural modeling algorithm\"))))".
• Removing quotes may allow a broader search: (( element mesh algorithm ) OR ((( reverse learning algorithm ) OR ( neural modeling algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element mesh algorithm") OR ((("reverse learning algorithm") OR ("neural modeling algorithm"))))*.