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