Perhaps you should try some spelling variations:
estimation algorithms » estimation algorithm, optimization algorithms, optimisation algorithm
optimized algorithms » optimized algorithm, optimizer algorithms, optimization algorithms
objective estimation » objective optimization, objective allocation
topology optimized » topology optimization

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 topology optimized algorithms ) OR ( modified objective estimation algorithms ))~".
• Adding a wildcard symbol may retrieve word variants: (( modified topology optimized algorithms ) OR ( modified objective estimation algorithms ))*.