Perhaps you should try some spelling variations:
decrease tooth » decrease with (Expand search), decrease food (Expand search), decrease costs (Expand search)
disease course » disease case (Expand search), disease caused (Expand search)
course process » nurse process (Expand search), discourse process (Expand search), course projects (Expand search)
tooth disease » mouth disease (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
python redes » python regius (Expand search), python code (Expand search)
redes python » reais python (Expand search), redes pon (Expand search), dados 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 disease course process ) OR ( python redes python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease tooth disease course process ) OR ( python redes python python programming ))*.