Perhaps you should try some spelling variations:
"client sampling algorithm" » "client mining algorithm" (Expand Search), "sediment sampling algorithm" (Expand Search)
"elements iron algorithm" » "elements pso algorithm" (Expand Search), "elements ii algorithm" (Expand Search), "elements cnn algorithm" (Expand Search), "elemental iron algorithm" (Expand Search), "elements upon algorithm" (Expand Search), "elements group algorithm" (Expand Search)
"elemental new algorithm" » "elemental xrd algorithm" (Expand Search), "elemental novel algorithm" (Expand Search), "elemental _ algorithm" (Expand Search)

Try widening your search to All Fields.

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