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