Perhaps you should try some spelling variations:
cdc processing » mfc processing (Expand search), hc processing (Expand search), sic processing (Expand search)
method python » method method (Expand search), python python (Expand search)
python code » python coding (Expand search), python redes (Expand search)
using cost » using cone (Expand search), using co (Expand search), using co2 (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( compra python code cdc processing ) OR ( using cost method python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( compra python code cdc processing ) OR ( using cost method python programming ))*.