Perhaps you should try some spelling variations:
decrease processes » disease processes (Expand search), defense processes (Expand search), decay processes (Expand search)
diseases decrease » diseases decreases (Expand search), disease decreases (Expand search), diseases disease (Expand search)
decrease hosts » decrease costs (Expand search), decreases post (Expand search), decrease its (Expand search)
hosts diseases » host diseases (Expand search), horses diseases (Expand search), host disease (Expand search)
pythons python » python python (Expand search), pitons python (Expand search), piton python (Expand search)
to pythons » to pythiosis (Expand search)
python to » python _ (Expand search), python c (Expand search), python v3 (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 hosts diseases decrease processes ) OR ( python to pythons python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease hosts diseases decrease processes ) OR ( python to pythons python programming ))*.