Perhaps you should try some spelling variations:
decrease optimization » release optimization (Expand search), discrete optimization (Expand search), case optimization (Expand search)
optimization problem » optimization problems (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease in (Expand search)
or decrease » of decrease (Expand search), not decrease (Expand search), to decrease (Expand search)
python code » python coding (Expand search), python redes (Expand search)
code java » codes java (Expand search), xcode java (Expand search), ide java (Expand search)

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

• Removing quotes may allow a broader search: (( decrease or decrease optimization problem ) OR ( python code java python programming ))~.