Perhaps you should try some spelling variations:
python clinical » action clinical (Expand search), section clinical (Expand search)
clinical python » clinical path (Expand search), clinical photon (Expand search), clinical pathogens (Expand search)
dose processes » noise processes (Expand search), coke processes (Expand search), use processes (Expand search)
decrease dose » decrease due (Expand search), decrease costs (Expand search), decrease model (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease AND decrease dose processes ) OR ( python clinical python python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decrease dose processes ) OR ( python clinical python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decrease dose processes ) OR ( python clinical python python programming ))*.