Perhaps you should try some spelling variations:
"agent learning algorithm" » "agent learning algorithms" (Expand Search), "student learning 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 rf algorithm" » "element _ algorithm" (Expand Search), "element ii algorithm" (Expand Search), "element art algorithms" (Expand Search), "element ore algorithm" (Expand Search), "element ree algorithm" (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 rf algorithm") OR ("element mesh algorithm"))) OR ("agent learning algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element rf algorithm\") OR (\"element mesh algorithm\"))) OR (\"agent learning algorithm\"))".
• Removing quotes may allow a broader search: (((( element rf algorithm ) OR ( element mesh algorithm ))) OR ( agent learning algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element rf algorithm") OR ("element mesh algorithm"))) OR ("agent learning algorithm"))*.