Perhaps you should try some spelling variations:
"client sampling algorithm" » "client mining algorithm" (Expand Search), "sediment sampling algorithm" (Expand Search)
"element tree algorithms" » "element three algorithms" (Expand Search), "element other algorithms" (Expand Search), "element art algorithms" (Expand Search), "element ree algorithms" (Expand Search), "element te algorithms" (Expand Search), "elements ree algorithms" (Expand Search)
"elements over algorithm" » "elements novel algorithm" (Expand Search), "elements other algorithms" (Expand Search), "elements new algorithm" (Expand Search), "elements under algorithm" (Expand Search), "events over algorithm" (Expand Search), "elements ree algorithm" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"client sampling algorithm\") OR (\"element tree algorithms\"))) OR (\"elements over algorithm\"))~".
• Removing quotes may allow a broader search: (((( client sampling algorithm ) OR ( element tree algorithms ))) OR ( elements over algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("client sampling algorithm") OR ("element tree algorithms"))) OR ("elements over algorithm"))*.