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