Perhaps you should try some spelling variations:
"spine modeling algorithm" » "spine making algorithm" (Expand Search), "space modeling algorithm" (Expand Search), "joint modeling algorithm" (Expand Search), "panel modeling algorithm" (Expand Search)
"element cscap algorithm" » "element cc3d algorithm" (Expand Search), "element ipca algorithm" (Expand Search), "element custom 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)

Try widening your search to All Fields.

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