Perhaps you should try some spelling variations:
optimization algorithmssss » optimisation algorithm
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.

• Performing a fuzzy search may retrieve terms with similar spellings: (( dung optimization algorithmssss ) or ( parameters optimization algorithms ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( dung optimization algorithmssss ) OR ( parameters optimization algorithms )).
• Adding a wildcard symbol may retrieve word variants: (( dung optimization algorithmssss ) or ( parameters optimization algorithms ))*.