Perhaps you should try some spelling variations:
optimization algorithms » optimisation algorithm, estimation algorithms, optimized algorithms
game optimization » stage optimization, qoe optimization, market optimization
seird estimation » sphere estimation, risk estimation
modified seird » modified near
modified game » modified male, modified adam

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( modified seird estimation algorithm ) or ( modified game optimization algorithms ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( modified seird estimation algorithm ) OR ( modified game optimization algorithms )).
• Adding a wildcard symbol may retrieve word variants: (( modified seird estimation algorithm ) or ( modified game optimization algorithms ))*.