Perhaps you should try some spelling variations:
optimisation algorithms » optimisation algorithm, optimization algorithms, estimation algorithm
parameter optimisation » parameter optimization, parameter estimation
estimation algorithms » estimation algorithm, optimization algorithms, optimisation algorithm
risk estimation » pose estimation

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

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