Perhaps you should try some spelling variations:
"student learning algorithm" » "student learning algorithms" (Expand Search)
"element method algorithm" » "element network algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mean algorithm" (Expand Search)
"element tree algorithms" » "element three algorithms" (Expand Search), "element art algorithms" (Expand Search), "element two algorithms" (Expand Search), "element ree algorithms" (Expand Search), "element te algorithms" (Expand Search), "element ore algorithms" (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 method algorithm") OR ("element tree algorithms"))) OR ("student learning algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element method algorithm\") OR (\"element tree algorithms\"))) OR (\"student learning algorithm\"))".
• Removing quotes may allow a broader search: (((( element method algorithm ) OR ( element tree algorithms ))) OR ( student learning algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element method algorithm") OR ("element tree algorithms"))) OR ("student learning algorithm"))*.