Perhaps you should try some spelling variations:
disease dental » diseases dental (Expand search), disease data (Expand search), disease center (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
dental pattern » dental patterns (Expand search), central pattern (Expand search), textual pattern (Expand search)
their disease » the disease (Expand search), hair diseases (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (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 AND decrease toc decrease ) OR ( decrease their disease dental pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease AND decrease toc decrease ) OR ( decrease their disease dental pattern ))*.