Perhaps you should try some spelling variations:
decrease vegetation » increased vegetation (Expand search), decrease migration (Expand search), dense vegetation (Expand search)
vegetation patterns » migration patterns (Expand search), interaction patterns (Expand search), methylation patterns (Expand search)
decrease costs » decreasing costs (Expand search), decreases post (Expand search), disease costs (Expand search)
costs decrease » loss decrease (Expand search), not decrease (Expand search), cells decrease (Expand search)
decrease treg » decrease the (Expand search), decrease their (Expand search)
treg decrease » the decrease (Expand search), urea decrease (Expand search), drugs decrease (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to 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 treg decrease of decrease ) OR ( decrease costs decrease vegetation patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease treg decrease of decrease ) OR ( decrease costs decrease vegetation patterns ))*.