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

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( same optimisation algorithm ) OR ( ((game optimization) OR (market optimization)) algorithm ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( same optimisation algorithm ) or ( ((game optimization) OR (market optimization)) algorithm ))~".
• Adding a wildcard symbol may retrieve word variants: (( same optimisation algorithm ) or ( ((game optimization) OR (market optimization)) algorithm ))*.