Perhaps you should try some spelling variations:
"element sampling algorithm" » "element making algorithm" (Expand Search), "element modeling algorithm" (Expand Search), "element mining algorithm" (Expand Search), "sediment sampling algorithm" (Expand Search), "client sampling algorithm" (Expand Search), "element mapping algorithm" (Expand Search)
"elements over algorithms" » "elements other algorithms" (Expand Search), "elements four algorithms" (Expand Search), "elements novel algorithm" (Expand Search), "elements under algorithms" (Expand Search), "elements mges algorithms" (Expand Search), "events over algorithms" (Expand Search)
"element rf algorithm" » "element _ algorithm" (Expand Search), "element ii algorithm" (Expand Search), "element art algorithms" (Expand Search), "element ore algorithm" (Expand Search), "element ree algorithm" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("element rf algorithm") OR ((("element sampling algorithm") OR ("elements over algorithms"))))~.
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• Removing quotes may allow a broader search: (( element rf algorithm ) OR ((( element sampling algorithm ) OR ( elements over algorithms )))).
• Adding a wildcard symbol may retrieve word variants: (("element rf algorithm") OR ((("element sampling algorithm") OR ("elements over algorithms"))))*.