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