Perhaps you should try some spelling variations:
"element mapping algorithm" » "element sampling algorithm" (Expand Search), "element matching algorithm" (Expand Search), "element mining algorithm" (Expand Search), "elemental mapping algorithm" (Expand Search), "element modeling algorithm" (Expand Search)
"element limit algorithm" » "element summit algorithm" (Expand Search), "element ii algorithm" (Expand Search), "element iii algorithm" (Expand Search)
"element ddpg algorithm" » "element data 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 ddpg algorithm") OR ("element limit algorithm"))) OR ("element mapping algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element ddpg algorithm\") OR (\"element limit algorithm\"))) OR (\"element mapping algorithm\"))".
• Removing quotes may allow a broader search: (((( element ddpg algorithm ) OR ( element limit algorithm ))) OR ( element mapping algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element ddpg algorithm") OR ("element limit algorithm"))) OR ("element mapping algorithm"))*.