Perhaps you should try some spelling variations:
"element method algorithm" » "element network algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mean algorithm" (Expand Search), "elements method algorithm" (Expand Search)
"data using algorithms" » "data pacing algorithms" (Expand Search), "data nine algorithms" (Expand Search), "data sorting algorithms" (Expand Search)
"relevant study algorithm" » "relevant wsindy algorithm" (Expand Search), "relevant td3 algorithm" (Expand Search), "relevant seu algorithm" (Expand Search), "relevant studies algorithm" (Expand Search), "recent study algorithm" (Expand Search)

Try widening your search to All Fields.

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