Perhaps you should try some spelling variations:
parameters optimization » parameter optimization, parameter estimation
optimization algorithm » optimization algorithms, optimisation algorithm, estimation algorithm
estimation algorithms » estimation algorithm, optimization algorithms, optimisation algorithm
global estimation » global optimization, global edition, global variation

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( global estimation algorithms ) or ( parameters optimization algorithm ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( global estimation algorithms ) OR ( parameters optimization algorithm ))*.