Perhaps you should try some spelling variations:
"modified multiobjective estimation algorithms" » "modified multiobjective optimization algorithms", "modified multiobjective estimation algorithm", "modified multiobjective optimisation algorithm"
"modified make estimation algorithmss" » "modified make estimation algorithm", "modified make optimization algorithms", "modified make estimation algorithms", "modified make optimization algorithmss", "modified make optimisation algorithms", "modified pose estimation algorithmss", "modified male estimation algorithmss"

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 estimation algorithms") OR ("modified make estimation algorithmss"))~.
• Removing quotes may allow a broader search: (( modified multiobjective estimation algorithms ) or ( modified make estimation algorithmss ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified multiobjective estimation algorithms") or ("modified make estimation algorithmss"))*.