Perhaps you should try some spelling variations:
"element sampling algorithm" » "element scheduling algorithm" (Expand Search)
"present data algorithm" » "present jaya algorithm" (Expand Search), "present deer algorithm" (Expand Search)
"element te algorithm" » "element rd algorithm" (Expand Search), "element deer algorithm" (Expand Search), "element _ algorithms" (Expand Search), "elementi per 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: (((("present data algorithm") OR ("element te algorithm"))) OR ("element sampling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"present data algorithm\") OR (\"element te algorithm\"))) OR (\"element sampling algorithm\"))".
• Removing quotes may allow a broader search: (((( present data algorithm ) OR ( element te algorithm ))) OR ( element sampling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("present data algorithm") OR ("element te algorithm"))) OR ("element sampling algorithm"))*.