Perhaps you should try some spelling variations:
"element sampling algorithm" » "element scheduling algorithm" (Expand Search)
"client modeling algorithm" » "client scheduling algorithm" (Expand Search), "agent modeling algorithm" (Expand Search), "event modeling algorithm" (Expand Search)
"elements rf algorithm" » "elements rd algorithm" (Expand Search), "elements _ algorithms" (Expand Search), "elements _ 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 rf algorithm") OR ((("element sampling algorithm") OR ("client modeling algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"elements rf algorithm\") OR (((\"element sampling algorithm\") OR (\"client modeling algorithm\"))))".
• Removing quotes may allow a broader search: (( elements rf algorithm ) OR ((( element sampling algorithm ) OR ( client modeling algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("elements rf algorithm") OR ((("element sampling algorithm") OR ("client modeling algorithm"))))*.