Perhaps you should try some spelling variations:
"modified passive optimization algorithmss" » "modified passive optimization algorithms", "modified passive estimation algorithms", "modified passive estimation algorithm", "modified bayesian optimization algorithmss", "modified game optimization algorithmss", "modified policy optimization algorithmss", "modified adaptive optimization algorithmss"
"modified objective optimisation algorithm" » "modified objective optimization algorithm", "modified multiobjective optimization algorithm", "modified objective optimization algorithms", "modified objective estimation algorithm", "modified objective estimation algorithms"

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