Perhaps you should try some spelling variations:
discharges internal » discharges external (Expand search), discharge material (Expand search), discourse internal (Expand search)
internal processes » industrial processes (Expand search), historical processes (Expand search), integrated processes (Expand search)
of discharges » of discharge (Expand search), glow discharges (Expand search), arc discharges (Expand search)
piton python » pitons python (Expand search), in python (Expand search), with python (Expand search)
decrease of » decrease in (Expand search)
python code » python coding (Expand search), python redes (Expand search)
code piton » code position (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: "(( decrease of discharges internal processes ) OR ( python code piton python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of discharges internal processes ) OR ( python code piton python programming ))*.