Perhaps you should try some spelling variations:
significantly teer » significantly better (Expand Search), significantly weaker (Expand Search), significantly lower (Expand Search)
significant linear » significant clinical (Expand Search), significant level (Expand Search), significant gender (Expand Search)
linear increase » year increase (Expand Search)
teer decrease » mean decrease (Expand Search), greater 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: "(( significantly teer decrease ) OR ( significant linear increase ))~".
• Adding a wildcard symbol may retrieve word variants: (( significantly teer decrease ) OR ( significant linear increase ))*.