Perhaps you should try some spelling variations:
decrease processes » disease processes (Expand search), defense processes (Expand search), decay processes (Expand search)
diseases decrease » diseases decreases (Expand search), disease decreases (Expand search), diseases disease (Expand search)
pythons python » python python (Expand search), pitons python (Expand search), piton python (Expand search)
decrease fear » decrease after (Expand search), decrease their (Expand search), decrease cell (Expand search)
fear diseases » ear diseases (Expand search), heart diseases (Expand search), cedar diseases (Expand search)
and pythons » and python (Expand search)
python and » python based (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease fear diseases decrease processes ) OR ( python AND pythons python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease fear diseases decrease processes ) OR ( python and pythons python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease fear diseases decrease processes ) OR ( python and pythons python programming ))*.