Perhaps you should try some spelling variations:
"data modeling algorithm" » "data making algorithm" (Expand Search), "data modelling algorithm" (Expand Search), "data models algorithm" (Expand Search)
"end tracking algorithm" » "end tracking algorithms" (Expand Search), "end training algorithms" (Expand Search), "end making algorithm" (Expand Search), "eye tracking algorithm" (Expand Search), "end training algorithm" (Expand Search), "3d tracking algorithm" (Expand Search)
"element data algorithm" » "element data algorithms" (Expand Search), "element update algorithm" (Expand Search), "element atlas algorithm" (Expand Search), "settlement data algorithm" (Expand Search), "relevant data algorithm" (Expand Search), "movement data algorithm" (Expand Search)

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