Perhaps you should try some spelling variations:
objective optimization » multiobjective optimization
optimization algorithm » optimization algorithms, optimisation algorithm, estimation algorithm
data algorithm » adam algorithm
when learning » deep learning, how learning, shot learning
learning data » learning a, learning due, learning via

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( modified objective optimization algorithm ) or ( when learning data algorithm ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( modified objective optimization algorithm ) OR ( when learning data algorithm )).
• Adding a wildcard symbol may retrieve word variants: (( modified objective optimization algorithm ) or ( when learning data algorithm ))*.