Perhaps you should try some spelling variations:
"element model algorithm" » "element mould algorithm" (Expand Search), "elements model algorithm" (Expand Search)
"fragment based algorithm" » "agent based algorithm" (Expand Search), "gradient based algorithm" (Expand Search)
"element mesh algorithm" » "element deer algorithm" (Expand Search), "element search algorithm" (Expand Search), "elements mesh 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: (((("fragment based algorithm") OR ("element mesh algorithm"))) OR ("element model algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"fragment based algorithm\") OR (\"element mesh algorithm\"))) OR (\"element model algorithm\"))".
• Removing quotes may allow a broader search: (((( fragment based algorithm ) OR ( element mesh algorithm ))) OR ( element model algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("fragment based algorithm") OR ("element mesh algorithm"))) OR ("element model algorithm"))*.