Perhaps you should try some spelling variations:
decrease tooth » decrease with (Expand search), decrease food (Expand search), decrease costs (Expand search)
tooth diseases » tooth disease (Expand search), mouth diseases (Expand search), foot diseases (Expand search)
diseases based » disease based (Expand search), diseases caused (Expand search), diseases and (Expand search)
based process » based protein (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (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 tooth diseases based process ) OR ( python c python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease tooth diseases based process ) OR ( python c python python programming ))*.