Perhaps you should try some spelling variations:
decrease clogging » decrease lodging (Expand search), decrease flooding (Expand search), decrease owing (Expand search)
clogging process » cleaning process (Expand search), cooling process (Expand search), charging process (Expand search)
methods python » methods action (Expand search), pythons python (Expand search), methods method (Expand search)
based methods » based method (Expand search), mixed methods (Expand search), and methods (Expand search)
python based » action based (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (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 in decrease clogging process ) OR ( python based methods python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease in decrease clogging process ) OR ( python based methods python programming ))*.