Perhaps you should try some spelling variations:
"query modeling algorithm" » "query making algorithm" (Expand Search), "energy modeling algorithm" (Expand Search), "key modeling algorithm" (Expand Search)
"element method algorithm" » "element network algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mean algorithm" (Expand Search)
"prevalence data algorithm" » "prevalence rate algorithm" (Expand Search), "prevalence rates algorithm" (Expand Search), "prevalence ratio algorithm" (Expand Search), "prevalence data algorithms" (Expand Search), "prevalence update algorithm" (Expand Search), "prevalence 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: (("prevalence data algorithm") OR ((("query modeling algorithm") OR ("element method algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"prevalence data algorithm\") OR (((\"query modeling algorithm\") OR (\"element method algorithm\"))))".
• Removing quotes may allow a broader search: (( prevalence data algorithm ) OR ((( query modeling algorithm ) OR ( element method algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("prevalence data algorithm") OR ((("query modeling algorithm") OR ("element method algorithm"))))*.