Perhaps you should try some spelling variations:
optimization algorithm » optimization algorithms, optimisation algorithm, estimation algorithm
source algorithm » search algorithm
df optimization » _ optimization, qoe optimization, _ optimisation
our algorithm » qspr algorithm, _ algorithm, mom algorithm
modified df » modified _, modified adam, 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 ((source algorithm) OR (our algorithm)) ) OR ( modified df optimization algorithm ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( code using ((source algorithm) OR (our algorithm)) ) or ( modified df optimization algorithm ))~".
• Adding a wildcard symbol may retrieve word variants: (( code using ((source algorithm) OR (our algorithm)) ) or ( modified df optimization algorithm ))*.