Perhaps you should try some spelling variations:
disease processes » disease process (Expand search), disease progress (Expand search), these processes (Expand search)
decrease disease » decreases disease (Expand search), increase disease (Expand search), increased disease (Expand search)
pigeons python » pitons python (Expand search), piton python (Expand search), pythons python (Expand search)
an decrease » and decrease (Expand search), can decrease (Expand search), any decrease (Expand search)
and pigeons » and pigeon (Expand search), in pigeons (Expand search), and pigments (Expand search)
python and » python based (Expand search)
code an » code and (Expand search)

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

• Removing quotes may allow a broader search: (( code an decrease disease processes ) OR ( python and pigeons python programming ))~.