Perhaps you should try some spelling variations:
"modified parameter optimized algorithmss" » "modified parameter optimized algorithms", "modified parameter optimized algorithm", "modified parameter optimizer algorithms", "modified parameter optimization algorithmss"
"modified objective approximation algorithms" » "modified objective approximation algorithm"

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 parameter optimized algorithmss") OR ("modified objective approximation algorithms"))~.
• Removing quotes may allow a broader search: (( modified parameter optimized algorithmss ) or ( modified objective approximation algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified parameter optimized algorithmss") or ("modified objective approximation algorithms"))*.