Perhaps you should try some spelling variations:
"modified multiobjective optimized algorithms" » "modified multiobjective optimization algorithms", "modified multiobjective optimized algorithm", "modified multiobjective optimizer algorithms"
"modified bi1 estimation algorithms" » "modified bi1 estimation algorithm", "modified bi1 optimization algorithms", "modified bi1 optimisation algorithm", "modified risk estimation algorithms", "modified _ estimation algorithms"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified multiobjective optimized algorithms") OR ("modified bi1 estimation algorithms"))~.
• Removing quotes may allow a broader search: (( modified multiobjective optimized algorithms ) or ( modified bi1 estimation algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified multiobjective optimized algorithms") or ("modified bi1 estimation algorithms"))*.