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

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 parameters optimization algorithm\") OR (\"modified network estimation algorithmss\"))~".
• Removing quotes may allow a broader search: (( modified parameters optimization algorithm ) OR ( modified network estimation algorithmss ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified parameters optimization algorithm") OR ("modified network estimation algorithmss"))*.