Perhaps you should try some spelling variations:
"based methods algorithm" » "based network algorithm" (Expand Search), "mixed methods algorithm" (Expand Search)
"elements method algorithm" » "elements network algorithm" (Expand Search), "elements mean algorithm" (Expand Search), "elements modbo algorithm" (Expand Search), "element method algorithm" (Expand Search)
"data means algorithm" » "data search algorithm" (Expand Search)

Try widening your search to All Fields.

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