Perhaps you should try some spelling variations:
treg patterned » pre patterned (Expand search), tree pattern (Expand search), dry patterned (Expand search)
decrease treg » decrease the (Expand search), decrease their (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease the (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), of decree (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (Expand search)

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease of decrease AND decrease ) OR ( decrease to decrease treg patterned ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease of decrease and decrease ) OR ( decrease to decrease treg patterned ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of decrease and decrease ) OR ( decrease to decrease treg patterned ))*.