Perhaps you should try some spelling variations:
"client sampling algorithm" » "client mining algorithm" (Expand Search), "sediment sampling algorithm" (Expand Search)
"elements ices algorithm" » "elements em algorithm" (Expand Search), "elements ii algorithm" (Expand Search), "elements cnn algorithm" (Expand Search), "elements mges algorithm" (Expand Search), "elements ree algorithm" (Expand Search)
"element new algorithm" » "element novel algorithm" (Expand Search), "element _ algorithm" (Expand Search), "element te algorithm" (Expand Search), "element ree algorithm" (Expand Search), "element mesh 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 ices algorithm") OR ("element new algorithm"))) OR ("client sampling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elements ices algorithm\") OR (\"element new algorithm\"))) OR (\"client sampling algorithm\"))".
• Removing quotes may allow a broader search: (((( elements ices algorithm ) OR ( element new algorithm ))) OR ( client sampling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("elements ices algorithm") OR ("element new algorithm"))) OR ("client sampling algorithm"))*.