Perhaps you should try some spelling variations:
"data backing algorithms" » "data tracking algorithms" (Expand Search), "data pacing algorithms" (Expand Search), "data matching algorithms" (Expand Search)
"data modeling algorithm" » "data making algorithm" (Expand Search), "data modelling algorithm" (Expand Search), "data models algorithm" (Expand Search)
"element method algorithm" » "element network algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mean algorithm" (Expand Search), "elements method 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 method algorithm") OR ((("data backing algorithms") OR ("data modeling algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element method algorithm\") OR (((\"data backing algorithms\") OR (\"data modeling algorithm\"))))".
• Removing quotes may allow a broader search: (( element method algorithm ) OR ((( data backing algorithms ) OR ( data modeling algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element method algorithm") OR ((("data backing algorithms") OR ("data modeling algorithm"))))*.