Perhaps you should try some spelling variations:
period programming » end programming (Expand search), learning programming (Expand search)
methods period » methods derived (Expand search), methods perform (Expand search), methods method (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)
based methods » based method (Expand search), mixed methods (Expand search), and methods (Expand search)
python based » action based (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to decrease (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 of decrease dose processes ) OR ( python based methods period programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of decrease dose processes ) OR ( python based methods period programming ))*.