Perhaps you should try some spelling variations:
"fluent modeling algorithm" » "fluent scheduling algorithm" (Expand Search), "agent modeling algorithm" (Expand Search), "event modeling algorithm" (Expand Search)
"settlement data algorithms" » "settlement jaya algorithm" (Expand Search)
"element mesh algorithm" » "element deer algorithm" (Expand Search), "element search algorithm" (Expand Search), "elements mesh algorithm" (Expand Search)

Try widening your search to All Fields.

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