Perhaps you should try some spelling variations:
"element sampling algorithm" » "element mining algorithm" (Expand Search), "sediment sampling algorithm" (Expand Search), "element mapping algorithm" (Expand Search), "client sampling algorithm" (Expand Search)
"elements ree algorithms" » "elements tree algorithms" (Expand Search), "elements three algorithms" (Expand Search), "elements rl algorithms" (Expand Search), "elements _ algorithms" (Expand Search), "elements present algorithms" (Expand Search), "elements related algorithms" (Expand Search)
"present forest algorithm" » "present free algorithm" (Expand Search)

Try widening your search to All Fields.

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

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