Perhaps you should try some spelling variations:
objective predation » objective allocation
predation algorithm » predators algorithm, estimation algorithm
code controlled » time controlled
controlled drug » controlled trial, controlled study
drug algorithm » our algorithm, driven algorithm

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( modified objective predation algorithm ) or ( code controlled drug algorithm ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( modified objective predation algorithm ) OR ( code controlled drug algorithm )).
• Adding a wildcard symbol may retrieve word variants: (( modified objective predation algorithm ) or ( code controlled drug algorithm ))*.