Perhaps you should try some spelling variations:
"student learning algorithm" » "student learning algorithms" (Expand Search), "students learning 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)
"element data algorithm" » "element data algorithms" (Expand Search), "element update algorithm" (Expand Search), "element atlas algorithm" (Expand Search), "settlement data algorithm" (Expand Search), "relevant data algorithm" (Expand Search), "movement data 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: (("student learning algorithm") OR ((("element tree algorithms") OR ("element data algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"student learning algorithm\") OR (((\"element tree algorithms\") OR (\"element data algorithm\"))))".
• Removing quotes may allow a broader search: (( student learning algorithm ) OR ((( element tree algorithms ) OR ( element data algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("student learning algorithm") OR ((("element tree algorithms") OR ("element data algorithm"))))*.