Perhaps you should try some spelling variations:
"defined network optimization algorithmss" » "defined network optimisation algorithm", "defined network estimation algorithms", "defined network estimation algorithm", "defined network optimisation algorithms", "defined network estimation algorithmss", "designed network optimization algorithmss"
"modified objective optimization algorithms" » "modified objective optimisation algorithm", "modified objective estimation algorithms", "modified objective estimation algorithm", "modified multiobjective optimization 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 algorithmss\") OR (\"modified objective optimization algorithms\"))~".
• Removing quotes may allow a broader search: (( defined network optimization algorithmss ) OR ( modified objective optimization algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (("defined network optimization algorithmss") OR ("modified objective optimization algorithms"))*.