Perhaps you should try some spelling variations:
"modified parameters optimisation algorithm" » "modified parameter optimization algorithm", "modified parameter estimation algorithm", "modified parameters optimization algorithms", "modified parameters estimation algorithms"
"modified quantile estimation algorithm" » "modified adaptive estimation 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 quantile estimation algorithm") OR ("modified parameters optimisation algorithm"))~.
• Removing quotes may allow a broader search: (( modified quantile estimation algorithm ) or ( modified parameters optimisation algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified quantile estimation algorithm") or ("modified parameters optimisation algorithm"))*.