Perhaps you should try some spelling variations:
"elements sampling algorithm" » "elements making algorithm" (Expand Search), "elements modeling algorithm" (Expand Search), "elements mining algorithm" (Expand Search), "client sampling algorithm" (Expand Search), "sediment sampling algorithm" (Expand Search), "element mapping algorithm" (Expand Search)
"client leiden algorithm" » "client learner algorithm" (Expand Search), "client kepler algorithm" (Expand Search), "client mean algorithm" (Expand Search)
"client new algorithm" » "client novel algorithm" (Expand Search), "client _ algorithm" (Expand Search), "client ii algorithm" (Expand Search), "client needs algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("client new algorithm") OR ("client leiden algorithm"))) OR ("elements sampling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"client new algorithm\") OR (\"client leiden algorithm\"))) OR (\"elements sampling algorithm\"))".
• Removing quotes may allow a broader search: (((( client new algorithm ) OR ( client leiden algorithm ))) OR ( elements sampling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("client new algorithm") OR ("client leiden algorithm"))) OR ("elements sampling algorithm"))*.