Perhaps you should try some spelling variations:
"sediment sample algorithm" » "sediment sampling algorithm" (Expand Search), "sediment carlo algorithm" (Expand Search), "sediment svm algorithm" (Expand Search), "sediment samples algorithm" (Expand Search), "sediment supply algorithm" (Expand Search)
"element data algorithm" » "element data algorithms" (Expand Search), "element update algorithm" (Expand Search), "element each algorithm" (Expand Search), "relevant data algorithm" (Expand Search), "movement data algorithm" (Expand Search), "present data algorithm" (Expand Search)
"element study algorithm" » "present study algorithm" (Expand Search), "recent study algorithm" (Expand Search), "event 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 data algorithm") OR ("element study algorithm"))) OR ("sediment sample algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element data algorithm\") OR (\"element study algorithm\"))) OR (\"sediment sample algorithm\"))".
• Removing quotes may allow a broader search: (((( element data algorithm ) OR ( element study algorithm ))) OR ( sediment sample algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element data algorithm") OR ("element study algorithm"))) OR ("sediment sample algorithm"))*.