Perhaps you should try some spelling variations:
discharges external » discharge material (Expand search), discourse external (Expand search), discharges rehearsal (Expand search)
external process » externas processo (Expand search), internal process (Expand search), external prices (Expand search)
in discharges » in discharge (Expand search), zinc discharges (Expand search), and discharges (Expand search)
python coding » action coding (Expand search), python code (Expand search)
coding pitons » loading pistons (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 in discharges external process ) OR ( python coding pitons python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease in discharges external process ) OR ( python coding pitons python programming ))*.