Perhaps you should try some spelling variations:
decrease spot » decrease sod (Expand search), decrease soon (Expand search), decrease of (Expand search)
npd processes » and processes (Expand search), bed processes (Expand search), qed processes (Expand search)
pitoni python » pitons python (Expand search), piton python (Expand search), pythons python (Expand search)
spot disease » host disease (Expand search), wilt disease (Expand search)
disease npd » disease need (Expand search), disease ad (Expand search), disease new (Expand search)
python code » python coding (Expand search), python redes (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 spot disease npd processes ) OR ( python code pitoni python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease spot disease npd processes ) OR ( python code pitoni python programming ))*.