Perhaps you should try some spelling variations:
"elements learning algorithm" » "elements learning algorithms" (Expand Search), "students learning algorithm" (Expand Search), "elements during 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)
"elements over algorithm" » "elements novel algorithm" (Expand Search), "elements other algorithms" (Expand Search), "elements new algorithm" (Expand Search), "elements under algorithm" (Expand Search), "events over algorithm" (Expand Search), "elements 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: (((("elements over algorithm") OR ("present model algorithm"))) OR ("elements learning algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elements over algorithm\") OR (\"present model algorithm\"))) OR (\"elements learning algorithm\"))".
• Removing quotes may allow a broader search: (((( elements over algorithm ) OR ( present model algorithm ))) OR ( elements learning algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("elements over algorithm") OR ("present model algorithm"))) OR ("elements learning algorithm"))*.