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