Perhaps you should try some spelling variations:
optimisation algorithms » optimization algorithms, estimation algorithms, estimation algorithm
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
male optimisation » game optimization, market optimization, stage optimization
qoe optimisation » qoe optimization, _ optimisation, game optimization
modified qoe » modified _, modified bi1, modified df

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

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