Perhaps you should try some spelling variations:
"based mapping algorithm" » "based making algorithm" (Expand Search), "based mining algorithm" (Expand Search), "based learning algorithm" (Expand Search), "based machine algorithm" (Expand Search)
"element method algorithm" » "element network algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mean algorithm" (Expand Search)
"elements tree algorithms" » "elements three algorithms" (Expand Search), "elements art algorithms" (Expand Search), "elements two algorithms" (Expand Search), "elements ree algorithms" (Expand Search), "element ree algorithms" (Expand Search), "elements res algorithms" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element method algorithm\") OR (\"elements tree algorithms\"))) OR (\"based mapping algorithm\"))~".
• Removing quotes may allow a broader search: (((( element method algorithm ) OR ( elements tree algorithms ))) OR ( based mapping algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("element method algorithm") OR ("elements tree algorithms"))) OR ("based mapping algorithm"))*.