Perhaps you should try some spelling variations:
"sediment sampling algorithm" » "sediment scheduling algorithm" (Expand Search)
"elements new algorithm" » "elements deer algorithm" (Expand Search), "elements rd algorithm" (Expand Search), "elements _ algorithm" (Expand Search), "elementi per algorithm" (Expand Search)
"elements em algorithm" » "elements deer algorithm" (Expand Search), "elements _ algorithm" (Expand Search), "elementi per 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 em algorithm") OR ("elements new algorithm"))) OR ("sediment sampling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elements em algorithm\") OR (\"elements new algorithm\"))) OR (\"sediment sampling algorithm\"))".
• Removing quotes may allow a broader search: (((( elements em algorithm ) OR ( elements new algorithm ))) OR ( sediment sampling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("elements em algorithm") OR ("elements new algorithm"))) OR ("sediment sampling algorithm"))*.