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