Perhaps you should try some spelling variations:
multiobjective optimisation » multiobjective optimization, objective optimization
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
taking methods » making methods, learning methods, graining methods
_ taking » _ making, _ tracking, _ banking

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