Perhaps you should try some spelling variations:
optimization algorithms » optimisation algorithm, estimation algorithms, estimation algorithm
method algorithm » mom algorithm
learning method » learning methods, graining methods, learning emotion
case learning » based learning, a learning
parameter » parameters

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

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