Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
staffing optimisation » staffing optimization, static optimization
modified staffing » modified caging
one approximation » time approximation, _ approximation, rough approximations
modified one » modified male, modified near, modified orca

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( modified staffing optimisation algorithm ) OR ( modified one approximation algorithms ))~".
• Adding a wildcard symbol may retrieve word variants: (( modified staffing optimisation algorithm ) OR ( modified one approximation algorithms ))*.