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