Perhaps you should try some spelling variations:
"modified caging optimisation algorithmssss" » "modified caging optimization algorithms", "modified caging optimization algorithmsssss", "modified caging estimation algorithmssss", "modified caging estimation algorithmsssss", "modified staffing optimization algorithmssss"
"modified parameter optimisation algorithm" » "modified parameter optimization algorithm", "modified parameter estimation algorithm", "modified parameter optimization algorithms", "modified parameter 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 caging optimisation algorithmssss") OR ("modified parameter optimisation algorithm"))~.
• Removing quotes may allow a broader search: (( modified caging optimisation algorithmssss ) or ( modified parameter optimisation algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified caging optimisation algorithmssss") or ("modified parameter optimisation algorithm"))*.