Perhaps you should try some spelling variations:
parameter optimisation » parameter optimization, parameter estimation
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
optimizer algorithms » optimized algorithms, optimized algorithm, optimization algorithms
changing optimizer » choosing optimizer
modified changing » modified caging

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

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