Perhaps you should try some spelling variations:
"data processing algorithm" » "data processing algorithms" (Expand Search)
"element data algorithm" » "element jaya algorithm" (Expand Search), "element deer algorithm" (Expand Search), "elements data algorithm" (Expand Search)
"image tracking algorithm" » "image training algorithm" (Expand Search), "image taking 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: "((((\"image tracking algorithm\") OR (\"data processing algorithm\"))) OR (\"element data algorithm\"))~".
• Removing quotes may allow a broader search: (((( image tracking algorithm ) OR ( data processing algorithm ))) OR ( element data algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("image tracking algorithm") OR ("data processing algorithm"))) OR ("element data algorithm"))*.