Perhaps you should try some spelling variations:
"element clustering algorithm" » "seven clustering algorithm" (Expand Search), "different clustering algorithm" (Expand Search)
"recent mining algorithm" » "recent learning algorithm" (Expand Search), "recent means algorithm" (Expand Search), "recent finding algorithm" (Expand Search), "recent findings algorithm" (Expand Search)
"element ii algorithm" » "element _ algorithm" (Expand Search), "element em algorithm" (Expand Search), "element new algorithm" (Expand Search), "element te algorithm" (Expand Search), "element g 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: (((("element clustering algorithm") OR ("recent mining algorithm"))) OR ("element ii algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element clustering algorithm\") OR (\"recent mining algorithm\"))) OR (\"element ii algorithm\"))".
• Removing quotes may allow a broader search: (((( element clustering algorithm ) OR ( recent mining algorithm ))) OR ( element ii algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element clustering algorithm") OR ("recent mining algorithm"))) OR ("element ii algorithm"))*.