Perhaps you should try some spelling variations:
disease processes » disease process (Expand search), disease progress (Expand search), these processes (Expand search)
function role » functional role (Expand search), functional roles (Expand search), dysfunction role (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease but » decrease at (Expand search), decrease akt (Expand search), decrease by (Expand search)
but diseases » gut diseases (Expand search), rust diseases (Expand search), duct diseases (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 but diseases disease processes ) OR ( function role python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease but diseases disease processes ) OR ( function role python python programming ))*.