Perhaps you should try some spelling variations:
"element means algorithm" » "element search algorithm" (Expand Search), "elements means algorithm" (Expand Search)
"element swarm algorithm" » "element search algorithm" (Expand Search), "elements swarm algorithm" (Expand Search)
"element mapping algorithm" » "elements mapping algorithm" (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element means algorithm\") OR (\"element swarm algorithm\"))) OR (\"element mapping algorithm\"))~".
• Removing quotes may allow a broader search: (((( element means algorithm ) OR ( element swarm algorithm ))) OR ( element mapping algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("element means algorithm") OR ("element swarm algorithm"))) OR ("element mapping algorithm"))*.