Perhaps you should try some spelling variations:
"client sampling algorithm" » "client making algorithm" (Expand Search), "client modeling algorithm" (Expand Search), "client mining algorithm" (Expand Search), "client samplin_ algorithm" (Expand Search), "client samplinb algorithm" (Expand Search), "client samplingnb algorithm" (Expand Search)
"element linked algorithm" » "element based algorithm" (Expand Search), "element new algorithm" (Expand Search), "element mining algorithm" (Expand Search)
"element g algorithm" » "element _ algorithm" (Expand Search), "element b algorithm" (Expand Search), "element gnb algorithm" (Expand Search), "elements _ 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 linked algorithm") OR ("element g algorithm"))) OR ("client sampling algorithm"))~.
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• Removing quotes may allow a broader search: (((( element linked algorithm ) OR ( element g algorithm ))) OR ( client sampling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element linked algorithm") OR ("element g algorithm"))) OR ("client sampling algorithm"))*.