Perhaps you should try some spelling variations:
"element swarm algorithm" » "element search algorithm" (Expand Search), "element software algorithm" (Expand Search)
"element ore algorithm" » "element rf algorithm" (Expand Search), "element erf algorithm" (Expand Search), "element lr algorithm" (Expand Search), "element te algorithm" (Expand Search), "element ree algorithm" (Expand Search), "element model algorithm" (Expand Search)
"element rl algorithm" » "element rl algorithms" (Expand Search), "element rf algorithm" (Expand Search), "element ml algorithms" (Expand Search), "element ree algorithm" (Expand Search), "element _ algorithm" (Expand Search), "element te 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 swarm algorithm") OR ((("element ore algorithm") OR ("element rl algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element swarm algorithm\") OR (((\"element ore algorithm\") OR (\"element rl algorithm\"))))".
• Removing quotes may allow a broader search: (( element swarm algorithm ) OR ((( element ore algorithm ) OR ( element rl algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element swarm algorithm") OR ((("element ore algorithm") OR ("element rl algorithm"))))*.