Perhaps you should try some spelling variations:
discharges the » discharges with (Expand search), discharges in (Expand search), discharges of (Expand search)
the properties » thermal properties (Expand search)
python codigos » python codigo (Expand search), python coding (Expand search), vpython colisoes (Expand search)
codigos python » codigo python (Expand search)
of discharges » of discharge (Expand search), glow discharges (Expand search), arc discharges (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease of » decrease in (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 the properties ) OR ( python codigos python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of discharges the properties ) OR ( python codigos python python programming ))*.