Perhaps you should try some spelling variations:
decrease root » decrease food (Expand search), decrease soon (Expand search), decreasing root (Expand search)
root diseases » foot diseases (Expand search), goat diseases (Expand search), rust diseases (Expand search)
npd processes » and processes (Expand search), bed processes (Expand search), qed processes (Expand search)
diseases npd » diseases ncd (Expand search), diseases ncds (Expand search), diseases ntds (Expand search)
piton python » pitons python (Expand search), in python (Expand search), with python (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 root diseases npd processes ) OR ( python code piton python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease root diseases npd processes ) OR ( python code piton python programming ))*.