Perhaps you should try some spelling variations:
"modified market optimisation algorithm" » "modified market optimization algorithms", "modified market estimation algorithm", "modified market estimation algorithms", "modified market optimization algorithm", "modified male optimisation algorithm"
"modified multiobjective optimization algorithm" » "modified multiobjective optimization algorithms", "modified multiobjective estimation algorithm", "modified multiobjective estimation algorithms"

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: (("modified market optimisation algorithm") OR ("modified multiobjective optimization algorithm"))~.
• Removing quotes may allow a broader search: (( modified market optimisation algorithm ) or ( modified multiobjective optimization algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified market optimisation algorithm") or ("modified multiobjective optimization algorithm"))*.