Perhaps you should try some spelling variations:
estimation algorithmss » estimation algorithm, optimization algorithms
estimation algorithms » estimation algorithm, optimization algorithms, optimisation algorithm
policy estimation » policy optimization, pose estimation, motion estimation
game estimation » pose estimation, 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: (( policy estimation algorithms ) OR ( game estimation algorithmss ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( policy estimation algorithms ) OR ( game estimation algorithmss ))*".