Perhaps you should try some spelling variations:
"data learning algorithm" » "data learning algorithms" (Expand Search), "meta learning algorithm" (Expand Search), "deep learning algorithm" (Expand Search), "a learning algorithm" (Expand Search)
"image clustering algorithm" » "flare clustering algorithm" (Expand Search), "kmeans clustering algorithm" (Expand Search), "means clustering algorithm" (Expand Search)
"element method algorithm" » "element network algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mean 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: (((("image clustering algorithm") OR ("data learning algorithm"))) OR ("element method algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"image clustering algorithm\") OR (\"data learning algorithm\"))) OR (\"element method algorithm\"))".
• Removing quotes may allow a broader search: (((( image clustering algorithm ) OR ( data learning algorithm ))) OR ( element method algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("image clustering algorithm") OR ("data learning algorithm"))) OR ("element method algorithm"))*.