Perhaps you should try some spelling variations:
decreased decrease » decreases disease (Expand search), decrease release (Expand search)
decrease processes » disease processes (Expand search), defense processes (Expand search), decay processes (Expand search)
spread decreased » are decreased (Expand search), showed decreased (Expand search)
decrease spread » disease spread (Expand search), decreases spreading (Expand search), decreased steady (Expand search)
sample python » simple python (Expand search), sample paths (Expand search)
python two » python to (Expand search), python tools (Expand search), python tutor (Expand search)
two sample » to sample (Expand search), two same (Expand search)

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

• Removing quotes may allow a broader search: (( decrease spread decreased decrease processes ) OR ( python two sample python programming ))~.