Perhaps you should try some spelling variations:
solution algorithm » evolution algorithm, convolution algorithms, evolutionary algorithm
method algorithm » mom algorithm
modified passive » modified adaptive
passive solution » positive solutions, saline solution
mobile learning » machine learning
learning method » learning methods, graining methods, learning emotion

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: (( mobile learning method algorithm ) OR ( modified passive solution algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (( mobile learning method algorithm ) or ( modified passive solution algorithm ))*.