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