Perhaps you should try some spelling variations:
income processes » income process (Expand search), intake processes (Expand search), coke processes (Expand search)
decrease income » increased income (Expand search), decrease intimate (Expand search), decrease sucrose (Expand search)
methods python » methods action (Expand search), pythons python (Expand search), methods method (Expand search)
decreased and » decreases and (Expand search), decrease and (Expand search), decreased in (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (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: (( decreased AND decrease income processes ) OR ( python AND methods python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decreased and decrease income processes ) OR ( python and methods python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decreased and decrease income processes ) OR ( python and methods python programming ))*.