Perhaps you should try some spelling variations:
"reverse learning algorithm" » "reverse learning algorithms" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural colony algorithm" (Expand Search), "neural scheduling algorithm" (Expand Search)
"element three algorithms" » "elements three algorithms" (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("element three algorithms") OR ((("reverse learning algorithm") OR ("neural coding algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element three algorithms\") OR (((\"reverse learning algorithm\") OR (\"neural coding algorithm\"))))".
• Removing quotes may allow a broader search: (( element three algorithms ) OR ((( reverse learning algorithm ) OR ( neural coding algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element three algorithms") OR ((("reverse learning algorithm") OR ("neural coding algorithm"))))*.