Perhaps you should try some spelling variations:
predation algorithm » predators algorithm
arcad estimation » risk estimation
dorca predation » orca predation
modified dorca » modified orca
modified arcad » modified orca, modified adam

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

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