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)
"tree clustering algorithm" » "three clustering algorithm" (Expand Search), "trees clustering algorithm" (Expand Search), "type clustering 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.

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