Perhaps you should try some spelling variations:
"data tracking algorithm" » "data tracking algorithms" (Expand Search), "data training algorithms" (Expand Search), "data making algorithm" (Expand Search), "path tracking algorithm" (Expand Search), "data backing algorithm" (Expand Search), "uav tracking algorithm" (Expand Search)
"time clustering algorithm" » "type clustering algorithm" (Expand Search), "some clustering algorithm" (Expand Search), "tree clustering algorithm" (Expand Search)
"element data algorithm" » "element data algorithms" (Expand Search), "element update algorithm" (Expand Search), "element atlas algorithm" (Expand Search), "settlement data algorithm" (Expand Search), "relevant data algorithm" (Expand Search), "movement data 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: (("element data algorithm") OR ((("data tracking algorithm") OR ("time clustering algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element data algorithm\") OR (((\"data tracking algorithm\") OR (\"time clustering algorithm\"))))".
• Removing quotes may allow a broader search: (( element data algorithm ) OR ((( data tracking algorithm ) OR ( time clustering algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element data algorithm") OR ((("data tracking algorithm") OR ("time clustering algorithm"))))*.