Perhaps you should try some spelling variations:
decrease vegetation » increased vegetation (Expand search), dense vegetation (Expand search), decrease migration (Expand search)
vegetation patterns » migration patterns (Expand search), interaction patterns (Expand search), methylation patterns (Expand search)
decrease decrease » decrease release (Expand search), decreases disease (Expand search), disease decreases (Expand search)
decrease after » disease after (Expand search)
decrease treg » decrease the (Expand search), increase treg (Expand search), decrease their (Expand search)
treg decrease » the decrease (Expand search), urea decrease (Expand search), drugs decrease (Expand search)
decrease or » decrease of (Expand search), decrease pro (Expand search), decrease toc (Expand search)
or decrease » of decrease (Expand search), not decrease (Expand search), to decrease (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 OR decrease vegetation patterns ) OR ( decrease treg decrease decrease after ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease or decrease vegetation patterns ) OR ( decrease treg decrease decrease after ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease or decrease vegetation patterns ) OR ( decrease treg decrease decrease after ))*.