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