Perhaps you should try some spelling variations:
"designed network optimization algorithmss" » "designed network optimization algorithms", "designed network optimisation algorithm", "designed network estimation algorithms", "designed network optimization algorithmsss", "designed network optimisation algorithmss", "designed network estimation algorithmss", "defined network optimization algorithmss"
"modified objective optimization algorithm" » "modified multiobjective optimization algorithm", "modified objective optimization algorithms", "modified objective optimisation algorithm", "modified objective estimation algorithm"

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

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