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