Perhaps you should try some spelling variations:
"verified network optimization algorithm" » "verified network optimization algorithms", "verified network optimisation algorithm", "verified network estimation algorithms", "certified network optimization algorithm", "defined network optimization algorithm"
"modified parameter estimation algorithm" » "modified parameter estimates algorithm", "modified parameter optimization algorithm"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified parameter estimation algorithm\") OR (\"verified network optimization algorithm\"))~".
• Removing quotes may allow a broader search: (( modified parameter estimation algorithm ) OR ( verified network optimization algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified parameter estimation algorithm") OR ("verified network optimization algorithm"))*.