Perhaps you should try some spelling variations:
"implement routing algorithm" » "implement routine algorithm" (Expand Search), "implement modeling algorithm" (Expand Search), "implement finding algorithm" (Expand Search), "implement making 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)
"element ipca algorithm" » "element wgcna algorithm" (Expand Search), "element cscap algorithm" (Expand Search), "element ii algorithm" (Expand Search), "element data 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: "((\"element ipca algorithm\") OR (((\"implement routing algorithm\") OR (\"level coding algorithm\"))))~".
• Removing quotes may allow a broader search: (( element ipca algorithm ) OR ((( implement routing algorithm ) OR ( level coding algorithm ))))~.
• Adding a wildcard symbol may retrieve word variants: (("element ipca algorithm") OR ((("implement routing algorithm") OR ("level coding algorithm"))))*.