Perhaps you should try some spelling variations:
optimization algorithmss » optimisation algorithm, estimation algorithms, estimation algorithm
optimization algorithms » optimisation algorithm, estimation algorithms, estimation algorithm
location optimization » allocation optimization, static optimization
does optimization » qoe optimization, robust optimization, _ optimization

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

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