Perhaps you should try some spelling variations:
"elements forest algorithm" » "elements res algorithm" (Expand Search), "elements present algorithm" (Expand Search)
"element finding algorithm" » "element bonding algorithm" (Expand Search), "recent finding algorithm" (Expand Search), "present findings algorithm" (Expand Search)
"element mesh algorithm" » "element best algorithm" (Expand Search), "element mean algorithm" (Expand Search), "element means algorithm" (Expand Search), "element method algorithm" (Expand Search), "elements mges algorithm" (Expand Search), "element te 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 forest algorithm") OR ("element mesh algorithm"))) OR ("element finding algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elements forest algorithm\") OR (\"element mesh algorithm\"))) OR (\"element finding algorithm\"))".
• Removing quotes may allow a broader search: (((( elements forest algorithm ) OR ( element mesh algorithm ))) OR ( element finding algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("elements forest algorithm") OR ("element mesh algorithm"))) OR ("element finding algorithm"))*.