Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
search algorithm » source algorithm
qoe optimisation » qoe optimization, _ optimisation, game optimization
using search » using egarch, nursing research, using servo
modified qoe » modified male, modified _, modified bi1
code » core

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( code using search algorithm ) OR ( modified qoe optimisation algorithm ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( code using search algorithm ) OR ( modified qoe optimisation algorithm ))".
• Adding a wildcard symbol may retrieve word variants: (( code using search algorithm ) OR ( modified qoe optimisation algorithm ))*.