Perhaps you should try some spelling variations:
class processes » last processes (Expand search), loss processes (Expand search), plasma processes (Expand search)
decrease tooth » decrease with (Expand search), decrease food (Expand search), decrease costs (Expand search)
tooth disease » mouth disease (Expand search)
disease class » disease case (Expand search), disease cross (Expand search), disease cases (Expand search)
piton python » pitons python (Expand search), in python (Expand search), with python (Expand search)
python rdm » python hdmi (Expand search), python mm (Expand search), python redes (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 class processes ) OR ( python rdm piton python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease tooth disease class processes ) OR ( python rdm piton python programming ))*.