Perhaps you should try some spelling variations:
"machines learning prediction algorithm" » "machines learning predation algorithm", "machines learning predators algorithm", "machine learning prediction algorithm", "active learning prediction algorithm", "mapping learning prediction algorithm"
"modified objective estimation algorithm" » "modified objective optimization algorithm", "modified objective allocation 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: (("machines learning prediction algorithm") OR ("modified objective estimation algorithm"))~.
• Removing quotes may allow a broader search: (( machines learning prediction algorithm ) or ( modified objective estimation algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (("machines learning prediction algorithm") or ("modified objective estimation algorithm"))*.