Perhaps you should try some spelling variations:
changes decrease » changes increase (Expand search), change increase (Expand search), recharge decrease (Expand search)
decayed changes » decades changes (Expand search), related changes (Expand search), decadal changes (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)
piton python » pitons python (Expand search), in python (Expand search), with python (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: "(( decayed changes decrease dose processes ) OR ( python AND piton python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decayed changes decrease dose processes ) OR ( python AND piton python programming ))*.