Perhaps you should try some spelling variations:
their decreased » the decreased (Expand search), the decrease (Expand search), tumors decreased (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
decreased base » decreased bone (Expand search), decreased use (Expand search), decreased fas (Expand search)
base program » based program (Expand search), case program (Expand search), bass program (Expand search)
python and » python based (Expand search)
and pitons » and pions (Expand search), and protons (Expand search), and photons (Expand search)

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

• Removing quotes may allow a broader search: (( decrease their decreased base program ) OR ( python and pitons python programming ))~.