Perhaps you should try some spelling variations:
in discharges » in discharge (Expand search), zinc discharges (Expand search), and discharges (Expand search)
discharges in » discharge in (Expand search), discharge and (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
python code » python coding (Expand search), python redes (Expand search)
code python » codigo python (Expand search), pacote python (Expand search)

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

• Removing quotes may allow a broader search: (( decrease in discharges in process ) OR ( python code python python programming ))~.