Perhaps you should try some spelling variations:
"modified multiobjective optimization algorithm" » "modified multiobjective optimization algorithms", "modified multiobjective optimisation algorithm", "modified multiobjective estimation algorithm"
"modified pose estimation algorithmss" » "modified pose estimation algorithms", "modified pose estimation algorithm", "modified pose optimization algorithms", "modified male estimation algorithmss", "modified passive 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 optimization algorithm") OR ("modified pose estimation algorithmss"))~.
• Removing quotes may allow a broader search: (( modified multiobjective optimization algorithm ) or ( modified pose estimation algorithmss ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified multiobjective optimization algorithm") or ("modified pose estimation algorithmss"))*.