Perhaps you should try some spelling variations:
optimization algorithmsss » optimisation algorithm, estimation algorithms
parameters optimization » parameter optimization, parameter estimation
optimization algorithms » optimisation algorithm, estimation algorithms, estimation algorithm
dung optimization » stage optimization, _ optimization, game optimization

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: (( dung optimization algorithmsss ) OR ( parameters optimization algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (( dung optimization algorithmsss ) or ( parameters optimization algorithms ))*.