Perhaps you should try some spelling variations:
optimization algorithm » optimization algorithms, optimisation algorithm, estimation algorithms
market optimization » game optimization, parameter optimization, market capitalization
passive estimation » pose estimation
modified passive » modified adaptive
modified market » modified male

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

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