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