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)
"settlement data algorithm" » "settlement data algorithms" (Expand Search), "settlement update algorithm" (Expand Search), "settlement 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: (("settlement data algorithm") OR ((("data clustering algorithm") OR ("system using algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"settlement data algorithm\") OR (((\"data clustering algorithm\") OR (\"system using algorithm\"))))".
• Removing quotes may allow a broader search: (( settlement data algorithm ) OR ((( data clustering algorithm ) OR ( system using algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("settlement data algorithm") OR ((("data clustering algorithm") OR ("system using algorithm"))))*.