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

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