Perhaps you should try some spelling variations:
"implement routing algorithm" » "implement cosine algorithm" (Expand Search), "implemented routing algorithm" (Expand Search), "implementing routing algorithm" (Expand Search)
"level coding algorithm" » "level cosine algorithm" (Expand Search), "level colony algorithm" (Expand Search), "level scheduling algorithm" (Expand Search)
"elements cc3d algorithm" » "elements rd 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: "((((\"implement routing algorithm\") OR (\"elements cc3d algorithm\"))) OR (\"level coding algorithm\"))~".
• Removing quotes may allow a broader search: (((( implement routing algorithm ) OR ( elements cc3d algorithm ))) OR ( level coding algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("implement routing algorithm") OR ("elements cc3d algorithm"))) OR ("level coding algorithm"))*.