Perhaps you should try some spelling variations:
defense processes » defense process (Expand search), decrease processes (Expand search), disease processes (Expand search)
decrease defense » defense defense (Expand search), decrease release (Expand search), decreases disease (Expand search)
function testing » functional testing (Expand search), function teaching (Expand search), function tests (Expand search)
decrease of » decrease in (Expand search)
of decrease » not decrease (Expand search), to decrease (Expand search), of decree (Expand search)
testing an » testing and (Expand search), testing _ (Expand search), testing among (Expand search)
an python » and python (Expand search), in python (Expand search), on python (Expand search)

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

• Removing quotes may allow a broader search: (( decrease of decrease defense processes ) OR ( function testing an python programming ))~.