Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
allocation algorithms » estimation algorithms, approximation algorithms
game optimisation » game optimization, stage optimization, _ optimisation
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 objective allocation algorithms ) or ( modified game optimisation algorithm ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( modified objective allocation algorithms ) OR ( modified game optimisation algorithm )).
• Adding a wildcard symbol may retrieve word variants: (( modified objective allocation algorithms ) or ( modified game optimisation algorithm ))*.