Perhaps you should try some spelling variations:
"defined network optimization algorithm" » "defined network optimization algorithms", "defined network optimisation algorithm", "defined network estimation algorithm", "designed network optimization algorithm"
"modified quantile approximation algorithms" » "modified time approximation algorithms", "modified diophantine approximation algorithms", "modified adaptive approximation algorithms"

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: "((\"defined network optimization algorithm\") OR (\"modified quantile approximation algorithms\"))~".
• Removing quotes may allow a broader search: (( defined network optimization algorithm ) OR ( modified quantile approximation algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (("defined network optimization algorithm") OR ("modified quantile approximation algorithms"))*.