Perhaps you should try some spelling variations:
"data using algorithms" » "data pacing algorithms" (Expand Search), "data nine algorithms" (Expand Search), "data sorting algorithms" (Expand Search)
"relevant data algorithms" » "relevant art algorithms" (Expand Search), "relevant all algorithms" (Expand Search), "relevant both algorithms" (Expand Search)
"tree clustering algorithm" » "three clustering algorithm" (Expand Search), "trees clustering algorithm" (Expand Search), "type clustering 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: (("relevant data algorithms") OR ((("data using algorithms") OR ("tree clustering algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"relevant data algorithms\") OR (((\"data using algorithms\") OR (\"tree clustering algorithm\"))))".
• Removing quotes may allow a broader search: (( relevant data algorithms ) OR ((( data using algorithms ) OR ( tree clustering algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("relevant data algorithms") OR ((("data using algorithms") OR ("tree clustering algorithm"))))*.