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