Perhaps you should try some spelling variations:
"modified adam estimation algorithmssss" » "modified adam estimation algorithms", "modified adam estimation algorithm", "modified df estimation algorithmssss", "modified near estimation algorithmssss"
"modified multiobjective optimization algorithm" » "modified multiobjective optimization algorithms", "modified multiobjective optimisation algorithm", "modified multiobjective estimation algorithm"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified multiobjective optimization algorithm\") OR (\"modified adam estimation algorithmssss\"))~".
• Removing quotes may allow a broader search: (( modified multiobjective optimization algorithm ) OR ( modified adam estimation algorithmssss ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified multiobjective optimization algorithm") OR ("modified adam estimation algorithmssss"))*.