Perhaps you should try some spelling variations:
dispersion decrease » dispersion decreasing (Expand search), dispersion degree (Expand search)
decrease processes » disease processes (Expand search), defense processes (Expand search), decay processes (Expand search)
of dispersion » and dispersion (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease of » decrease in (Expand search)
python c » python _ (Expand search)
c python » _ python (Expand search), in python (Expand search), of python (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease of dispersion decrease processes ) OR ( python c python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of dispersion decrease processes ) OR ( python c python python programming ))*.