Perhaps you should try some spelling variations:
parameters optimization » parameter optimization, parameter estimation
optimization algorithms » optimisation algorithm, estimation algorithm, optimized algorithms
allocation estimation » allocation optimization, motion estimation
estimation algorithms » estimation algorithm, optimisation algorithm, approximation algorithms

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

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