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)
"relevant data algorithm" » "relevant jaya algorithm" (Expand Search), "relevant deer algorithm" (Expand Search)
"elements over algorithm" » "elements deer algorithm" (Expand Search), "elementi per algorithm" (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("implement cosine algorithm") OR ((("relevant data algorithm") OR ("elements over algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"implement cosine algorithm\") OR (((\"relevant data algorithm\") OR (\"elements over algorithm\"))))".
• Removing quotes may allow a broader search: (( implement cosine algorithm ) OR ((( relevant data algorithm ) OR ( elements over algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("implement cosine algorithm") OR ((("relevant data algorithm") OR ("elements over algorithm"))))*.