Perhaps you should try some spelling variations:
"effects learning algorithm" » "effects learning algorithms" (Expand Search)
"element mining algorithm" » "element cosine algorithm" (Expand Search), "elements mining algorithm" (Expand Search)
"element means algorithm" » "element search algorithm" (Expand Search), "elements means 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 mining algorithm") OR ("element means algorithm"))) OR ("effects learning algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element mining algorithm\") OR (\"element means algorithm\"))) OR (\"effects learning algorithm\"))".
• Removing quotes may allow a broader search: (((( element mining algorithm ) OR ( element means algorithm ))) OR ( effects learning algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element mining algorithm") OR ("element means algorithm"))) OR ("effects learning algorithm"))*.