Perhaps you should try some spelling variations:
pathogen programming » python programming (Expand search), math programming (Expand search), agent programming (Expand search)
decrease based » decreased base (Expand search), decrease blood (Expand search)
decrease fear » decrease after (Expand search), decrease their (Expand search), decrease cell (Expand search)
fear decrease » break decrease (Expand search), merr decreases (Expand search), can decrease (Expand search)
python based » action based (Expand search)
based vector » based detector (Expand search), and vector (Expand search), based motor (Expand search)

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

• Removing quotes may allow a broader search: (( decrease fear decrease based program ) OR ( python based vector pathogen programming ))~.