Perhaps you should try some spelling variations:
optimization algorithm » optimization algorithms, optimisation algorithm, estimation algorithm
convolution algorithm » convolution algorithms, evolution algorithm, solution algorithm
grain convolution » graph convolutional, trained convolutional, learning convolution
course grain » coarse grain, coarse grained

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: (( course grain convolution algorithm ) OR ( modified bayesian optimization algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (( course grain convolution algorithm ) or ( modified bayesian optimization algorithm ))*.