Perhaps you should try some spelling variations:
"element controls algorithm" » "element control algorithm" (Expand Search), "element control algorithms" (Expand Search), "element centrality algorithm" (Expand Search), "element contents algorithm" (Expand Search), "element content algorithm" (Expand Search), "select controls algorithm" (Expand Search)
"level coding algorithm" » "level cosine algorithm" (Expand Search), "level modeling algorithm" (Expand Search), "level finding algorithm" (Expand Search), "level according algorithm" (Expand Search), "level using algorithm" (Expand Search)
"elements ppo algorithm" » "elements pso algorithm" (Expand Search), "elements two algorithms" (Expand Search), "elements _ algorithm" (Expand Search), "elements ppm algorithm" (Expand Search), "elements upon 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 ppo algorithm\") OR (\"element controls algorithm\"))) OR (\"level coding algorithm\"))~".
• Removing quotes may allow a broader search: (((( elements ppo algorithm ) OR ( element controls algorithm ))) OR ( level coding algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("elements ppo algorithm") OR ("element controls algorithm"))) OR ("level coding algorithm"))*.