Perhaps you should try some spelling variations:
"implement modeling algorithm" » "implement scheduling algorithm" (Expand Search), "implemented modeling algorithm" (Expand Search), "implementing modeling algorithm" (Expand Search)
"element data algorithm" » "element jaya algorithm" (Expand Search), "element deer algorithm" (Expand Search)
"elements res algorithms" » "elements _ algorithms" (Expand Search), "elements rd algorithm" (Expand Search), "elementi per algorithms" (Expand Search)

Try widening your search to All Fields.

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