Perhaps you should try some spelling variations:
"data clustering algorithm" » "deep clustering algorithm" (Expand Search), "spatial clustering algorithm" (Expand Search), "dbscan clustering algorithm" (Expand Search)
"system using algorithm" » "system using algorithms" (Expand Search), "system routing algorithm" (Expand Search), "system fusion algorithm" (Expand Search)
"movement data algorithm" » "movement data algorithms" (Expand Search), "movement update algorithm" (Expand Search), "movement atlas 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: (("movement data algorithm") OR ((("data clustering algorithm") OR ("system using algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"movement data algorithm\") OR (((\"data clustering algorithm\") OR (\"system using algorithm\"))))".
• Removing quotes may allow a broader search: (( movement data algorithm ) OR ((( data clustering algorithm ) OR ( system using algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("movement data algorithm") OR ((("data clustering algorithm") OR ("system using algorithm"))))*.