Perhaps you should try some spelling variations:
"case learning algorithm" » "case learning algorithms" (Expand Search), "based learning algorithm" (Expand Search)
"element method algorithm" » "element mould algorithm" (Expand Search), "elements method algorithm" (Expand Search)
"element cscap algorithm" » "element cosine algorithm" (Expand Search), "elements cscap algorithm" (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"case learning algorithm\") OR (((\"element cscap algorithm\") OR (\"element method algorithm\"))))~".
• Removing quotes may allow a broader search: (( case learning algorithm ) OR ((( element cscap algorithm ) OR ( element method algorithm ))))~.
• Adding a wildcard symbol may retrieve word variants: (("case learning algorithm") OR ((("element cscap algorithm") OR ("element method algorithm"))))*.