Perhaps you should try some spelling variations:
optimisation algorithms » optimization algorithms, estimation algorithms, estimation algorithm
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
risk optimisation » _ optimisation, risk estimation
pose optimisation » qoe optimization, _ optimisation, 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: (( risk optimisation algorithm ) or ( pose optimisation algorithms ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( risk optimisation algorithm ) OR ( pose optimisation algorithms ))*.