Perhaps you should try some spelling variations:
decrease tooth » decrease with (Expand search), decrease food (Expand search), decrease costs (Expand search)
tooth disease » mouth disease (Expand search)
disease cases » disease case (Expand search), disease caused (Expand search), disease cross (Expand search)
python coding » action coding (Expand search), python code (Expand search)
coding pitons » loading pistons (Expand search)
cases post » envases post (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 disease cases post ) OR ( python coding pitons python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease tooth disease cases post ) OR ( python coding pitons python programming ))*.