Perhaps you should try some spelling variations:
"element sampling algorithm" » "element scheduling algorithm" (Expand Search)
"element method algorithm" » "element mould algorithm" (Expand Search)
"elements upon algorithm" » "elements auction algorithm" (Expand Search), "elements colony algorithm" (Expand Search)

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

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