Perhaps you should try some spelling variations:
significantly weaker » significantly greater (Expand Search), significantly better (Expand Search), significantly related (Expand Search)
significantly teer » significantly better (Expand Search), significantly lower (Expand Search), significantly alter (Expand Search)
weaker decrease » greater decrease (Expand Search), water decreases (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 weaker decrease ) OR ( significantly teer decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( significantly weaker decrease ) OR ( significantly teer decrease ))*.