Perhaps you should try some spelling variations:
pbat processadas » pre processadas (Expand search), nao processadas (Expand search), pos processadas (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease pbat » decrease at (Expand search), decrease ipla2 (Expand search), decrease akt (Expand search)
decreased to » decreased the (Expand search), decreased tgf (Expand search), decreased in (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
not decrease » not increase (Expand search), and decrease (Expand search), the 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 during decrease pbat processadas ) OR ( decreased to decrease NOT decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease during decrease pbat processadas ) OR ( decreased to decrease not decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during decrease pbat processadas ) OR ( decreased to decrease not decrease ))*.