Perhaps you should try some spelling variations:
"sediment sampling algorithm" » "sediment mining algorithm" (Expand Search), "sediment samples algorithm" (Expand Search), "sediment sample algorithm" (Expand Search)
"elemental zinc algorithm" » "elemental ii algorithm" (Expand Search), "elemental cnn algorithm" (Expand Search), "elemental hip algorithm" (Expand Search), "elements zinc algorithm" (Expand Search)
"element iii algorithm" » "element ii algorithm" (Expand Search), "element _ algorithm" (Expand Search), "element new algorithm" (Expand Search), "element limit algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("elemental zinc algorithm") OR ("element iii algorithm"))) OR ("sediment sampling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elemental zinc algorithm\") OR (\"element iii algorithm\"))) OR (\"sediment sampling algorithm\"))".
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