Perhaps you should try some spelling variations:
optimization algorithms » optimisation algorithm, estimation algorithms, estimation algorithm
method algorithm » mom algorithm
qoe optimization » game optimization, _ optimization, stage optimization
using method » nursing methods, focusing method, using metal
modified qoe » modified male, modified _, modified bi1
code » core

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: (( code using method algorithm ) OR ( modified qoe optimization algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (( code using method algorithm ) or ( modified qoe optimization algorithms ))*.