Perhaps you should try some spelling variations:
"element sampling algorithm" » "sediment sampling algorithm" (Expand Search), "element mapping algorithm" (Expand Search), "client sampling algorithm" (Expand Search)
"element mining algorithm" » "element learning algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mapping algorithm" (Expand Search), "element bonding algorithm" (Expand Search), "element modeling algorithm" (Expand Search)
"present tab algorithms" » "present two algorithms" (Expand Search), "present tree algorithms" (Expand Search), "present data algorithms" (Expand Search), "present day algorithms" (Expand Search), "present a algorithms" (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: (("present tab algorithms") OR ((("element sampling algorithm") OR ("element mining algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"present tab algorithms\") OR (((\"element sampling algorithm\") OR (\"element mining algorithm\"))))".
• Removing quotes may allow a broader search: (( present tab algorithms ) OR ((( element sampling algorithm ) OR ( element mining algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("present tab algorithms") OR ((("element sampling algorithm") OR ("element mining algorithm"))))*.