Perhaps you should try some spelling variations:
estimation algorithms » estimation algorithm, optimization algorithms, optimisation algorithm
same optimisation » stage optimization, _ optimisation, qoe optimization
game optimization » stage optimization, qoe optimization, market optimization
qoe estimation » pose estimation, _ estimation, cover estimations

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((same optimisation) OR (game optimization)) algorithm ) or ( qoe estimation algorithms ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((same optimisation) OR (game optimization)) algorithm ) OR ( qoe estimation algorithms ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((same optimisation) OR (game optimization)) algorithm ) or ( qoe estimation algorithms ))*".