Perhaps you should try some spelling variations:
maturation decreases » modulation decreases (Expand search), malnutrition decreases (Expand search), maturation degree (Expand search)
decrease maturation » decrease migration (Expand search), cheese maturation (Expand search), protease maturation (Expand search)
eeg processing » egg processing (Expand search), log processing (Expand search), vog processing (Expand search)
decreases eeg » decreases egg (Expand search), decreases aedes (Expand search), decreases edema (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)
decrease not » decrease of (Expand search), decrease at (Expand search), decrease akt (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease maturation decreases eeg processing ) OR ( decrease rate decrease not decrease ))~.