Perhaps you should try some spelling variations:
"elements within algorithm" » "elements switching algorithm" (Expand Search), "elements matching algorithm" (Expand Search), "elements twisting algorithm" (Expand Search)
"present model algorithm" » "present novel algorithm" (Expand Search), "present forest algorithm" (Expand Search), "element model algorithm" (Expand Search), "rodent 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 ore algorithm" (Expand Search), "element _ algorithm" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("element rl algorithm") OR ("present model algorithm"))) OR ("elements within algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element rl algorithm\") OR (\"present model algorithm\"))) OR (\"elements within algorithm\"))".
• Removing quotes may allow a broader search: (((( element rl algorithm ) OR ( present model algorithm ))) OR ( elements within algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element rl algorithm") OR ("present model algorithm"))) OR ("elements within algorithm"))*.