Perhaps you should try some spelling variations:
multiobjective optimisation » multiobjective optimization, objective optimization
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
modified charging » modified caging, modified carbon
pile algorithm » driven algorithm, winner algorithm
charging pile » changing role

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

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