Perhaps you should try some spelling variations:
multiobjective optimisation » multiobjective optimization, objective optimization
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
predation algorithm » predators algorithm, estimation algorithm
chu predation » _ predation, churn prediction
modified chu » modified _, modified bi1, modified df

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 chu predation algorithm ) OR ( modified multiobjective optimisation algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (( modified chu predation algorithm ) or ( modified multiobjective optimisation algorithm ))*.