Perhaps you should try some spelling variations:
decrease complex » disease complex (Expand search), decreased compared (Expand search), protease complex (Expand search)
complex problems » complex projects (Expand search)
decrease toxin » decrease in (Expand search), decrease their (Expand search), decrease on (Expand search)
toxin decrease » strain decrease (Expand search), to decrease (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
python based » action based (Expand search)
based python » based path (Expand search), and python (Expand search), gate 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 toxin decrease complex problems ) OR ( python based python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease toxin decrease complex problems ) OR ( python based python python programming ))*.