Perhaps you should try some spelling variations:
"elements custom algorithm" » "elements control algorithm" (Expand Search), "elements auction algorithm" (Expand Search), "elements cosine algorithm" (Expand Search)
"level coding algorithm" » "level cosine algorithm" (Expand Search), "level colony algorithm" (Expand Search), "level scheduling algorithm" (Expand Search)
"complement rd algorithm" » "complement _ algorithms" (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 custom algorithm\") OR (\"complement rd algorithm\"))) OR (\"level coding algorithm\"))~".
• Removing quotes may allow a broader search: (((( elements custom algorithm ) OR ( complement rd algorithm ))) OR ( level coding algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("elements custom algorithm") OR ("complement rd algorithm"))) OR ("level coding algorithm"))*.