Perhaps you should try some spelling variations:
they processes » the processes (Expand search), theory processes (Expand search), these processes (Expand search)
diseases they » diseases the (Expand search), diseases their (Expand search), diseases that (Expand search)
action coding » action during (Expand search), actions according (Expand search)
coding pitons » loading pistons (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and diseases » and disease (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 AND diseases they processes ) OR ( action coding pitons python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and diseases they processes ) OR ( action coding pitons python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and diseases they processes ) OR ( action coding pitons python programming ))*.