Perhaps you should try some spelling variations:
"modified multiobjective estimation algorithm" » "modified multiobjective optimization algorithm"
"verified network estimation algorithmss" » "verified network estimation algorithms", "verified network optimization algorithms", "verified network optimization algorithmss", "certified network estimation algorithmss", "defined network 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: (("verified network estimation algorithmss") or ("modified multiobjective estimation algorithm"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("verified network estimation algorithmss") OR ("modified multiobjective estimation algorithm")).
• Removing quotes may allow a broader search: (( verified network estimation algorithmss ) or ( modified multiobjective estimation algorithm )).
• Adding a wildcard symbol may retrieve word variants: (("verified network estimation algorithmss") or ("modified multiobjective estimation algorithm"))*.