Perhaps you should try some spelling variations:
mathematics optimization » mathematical optimization
materials optimization » material optimization, criteria optimization, models optimization
automatic optimization » quadratic optimization, automatic estimation, stochastic optimization

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((( mathematics optimization ) OR ( materials optimization ))) OR ( automatic optimization )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( mathematics optimization ) OR ( materials optimization ))) or ( automatic optimization ))".
• Adding a wildcard symbol may retrieve word variants: (((( mathematics optimization ) OR ( materials optimization ))) or ( automatic optimization ))*.