Perhaps you should try some spelling variations:
discrete optimal » discrete time (Expand search)
decrease taping » decrease walking (Expand search), decrease during (Expand search), decrease owing (Expand search)
taping discrete » mapping discrete (Expand search), shaping discrete (Expand search), paying discrete (Expand search)
optimal trading » optimal foraging (Expand search), optimal timing (Expand search), optimal pricing (Expand search)
decrease faster » decrease after (Expand search), decrease further (Expand search), decreased after (Expand search)
faster decrease » rate 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.

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