Perhaps you should try some spelling variations:
decrease craving » decreases healing (Expand search), decreases weaning (Expand search), decrease during (Expand search)
craving decrease » training decreases (Expand search), can decrease (Expand search), ratio decrease (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
python based » action based (Expand search)
based python » based path (Expand search), and python (Expand search), gate python (Expand search)
apprentice » prentice (Expand search)

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

• Removing quotes may allow a broader search: (( decrease craving decrease apprentice program ) OR ( python based python python programming ))~.