Perhaps you should try some spelling variations:
multiobjective optimisation » multiobjective optimization, objective optimization
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
am algorithm » adam algorithm, mom algorithm, _ algorithm
code than » con than, more than
than am » thanh nam, thanh tam, thang tam

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 ( code than am algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (( modified multiobjective optimisation algorithm ) or ( code than am algorithm ))*.