Perhaps you should try some spelling variations:
"modified multiobjective estimation algorithms" » "modified multiobjective optimization algorithms", "modified multiobjective estimation algorithm", "modified multiobjective optimisation algorithm"
"modified quantile estimation algorithmss" » "modified quantile estimation algorithm", "modified quantile optimization algorithms", "modified quantile estimation algorithms", "modified quantile optimization algorithmss", "modified quantile optimisation algorithms", "modified adaptive estimation algorithmss"

Try widening your search to All Fields.

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

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