Perhaps you should try some spelling variations:
optimization algorithms » estimation algorithm, optimized algorithms, optimizer algorithms
optimisation algorithm » estimation algorithm
estimation algorithms » estimation algorithm, approximation algorithms
write optimization » game optimization, qoe 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: (( write optimization algorithms ) or ( _ ((estimation algorithms) OR (optimisation algorithm)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( write optimization algorithms ) OR ( _ ((estimation algorithms) OR (optimisation algorithm)) ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( write optimization algorithms ) or ( _ ((estimation algorithms) OR (optimisation algorithm)) ))*".