Perhaps you should try some spelling variations:
"element mapping algorithm" » "element making algorithm" (Expand Search), "element mining algorithm" (Expand Search), "element learning algorithm" (Expand Search), "elemental mapping algorithm" (Expand Search), "element modeling algorithm" (Expand Search), "argument mapping algorithm" (Expand Search)
"element method algorithms" » "element two algorithms" (Expand Search), "element both algorithms" (Expand Search), "element other algorithms" (Expand Search)
"element rl algorithm" » "element rl algorithms" (Expand Search), "element rf algorithm" (Expand Search), "element ml algorithms" (Expand Search), "element ore algorithm" (Expand Search), "element ree algorithm" (Expand Search), "element _ 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: (("element mapping algorithm") OR ((("element rl algorithm") OR ("element method algorithms"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element mapping algorithm\") OR (((\"element rl algorithm\") OR (\"element method algorithms\"))))".
• Removing quotes may allow a broader search: (( element mapping algorithm ) OR ((( element rl algorithm ) OR ( element method algorithms )))).
• Adding a wildcard symbol may retrieve word variants: (("element mapping algorithm") OR ((("element rl algorithm") OR ("element method algorithms"))))*.