Perhaps you should try some spelling variations:
"element sampling algorithm" » "element mining algorithm" (Expand Search), "sediment sampling algorithm" (Expand Search), "element mapping algorithm" (Expand Search), "client sampling algorithm" (Expand Search)
"elements upon algorithm" » "elements ppo algorithm" (Expand Search), "elements fusion algorithm" (Expand Search), "elements cnn algorithm" (Expand Search), "elements ppm algorithm" (Expand Search)
"elements pso algorithm" » "elements two algorithms" (Expand Search), "elements _ algorithm" (Expand Search), "elements new algorithm" (Expand Search), "elements ppm algorithm" (Expand Search), "elements b 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: "((((\"elements upon algorithm\") OR (\"elements pso algorithm\"))) OR (\"element sampling algorithm\"))~".
• Removing quotes may allow a broader search: (((( elements upon algorithm ) OR ( elements pso algorithm ))) OR ( element sampling algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("elements upon algorithm") OR ("elements pso algorithm"))) OR ("element sampling algorithm"))*.