Perhaps you should try some spelling variations:
decrease optimization » release optimization (Expand search), discrete optimization (Expand search), case optimization (Expand search)
optimization process » optimization problems (Expand search), optimization problem (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
cdc decrease » can decrease (Expand search), oic decreases (Expand search), acid decrease (Expand search)
python dado » python dados (Expand search), python data (Expand search), python django (Expand search)
dado python » dados python (Expand search), usando python (Expand search)
code cdc » code cpc (Expand search), code ctn (Expand search)

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

• Removing quotes may allow a broader search: (( code cdc decrease optimization process ) OR ( python dado python python programming ))~.