Perhaps you should try some spelling variations:
"element mining algorithm" » "element cosine algorithm" (Expand Search), "elements mining algorithm" (Expand Search)
"elemental pso algorithm" » "elementary pso algorithm" (Expand Search), "elements pso algorithm" (Expand Search), "elementsal pso algorithm" (Expand Search)
"element mapping algorithm" » "elements mapping 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: (("elemental pso algorithm") OR ((("element mapping algorithm") OR ("element mining algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"elemental pso algorithm\") OR (((\"element mapping algorithm\") OR (\"element mining algorithm\"))))*".
• Removing quotes may allow a broader search: (( elemental pso algorithm ) OR ((( element mapping algorithm ) OR ( element mining algorithm ))))*.