Perhaps you should try some spelling variations:
"implement routine algorithm" » "implement cosine algorithm" (Expand Search)
"element rf algorithm" » "element rd algorithm" (Expand Search), "element _ algorithms" (Expand Search), "elements rf algorithm" (Expand Search)
"element network algorithm" » "elements network 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 network algorithm\") OR (\"implement routine algorithm\"))) OR (\"element rf algorithm\"))~".
• Removing quotes may allow a broader search: (((( element network algorithm ) OR ( implement routine algorithm ))) OR ( element rf algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("element network algorithm") OR ("implement routine algorithm"))) OR ("element rf algorithm"))*.