Perhaps you should try some spelling variations:
observed programming » oriented programming (Expand search), based programming (Expand search), bilevel programming (Expand search)
decrease observed » case observed (Expand search), decay observed (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)
lib python » in python (Expand search), via python (Expand search), logic python (Expand search)
based lib » based lab (Expand search), based life (Expand search), based live (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 observed programming ) OR ( python based lib python programming ))~.