Perhaps you should try some spelling variations:
optimization algorithms » optimisation algorithm, estimation algorithms, estimation algorithm
solution algorithm » evolution algorithm, convolution algorithms, evolutionary algorithm
learning solution » learning convolution, learning emotion
qoe optimization » game optimization, _ optimization, stage optimization
mobile learning » machine learning
modified qoe » modified male, modified _, modified bi1

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

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