Perhaps you should try some spelling variations:
period programming » grid programming (Expand search), method programming (Expand search), end programming (Expand search)
decrease implicit » decade implicit (Expand search), verdade implicit (Expand search)
decay processes » levy processes (Expand search), memory processes (Expand search), decay properties (Expand search)
implicit period » implicit method (Expand search), implicit operation (Expand search), implicit methods (Expand search)
decrease decay » decreases pecan (Expand search), decrease fear (Expand search), decrease fetal (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease of decrease decay processes ) OR ( AND decrease implicit period programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease of decrease decay processes ) OR ( and decrease implicit period programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of decrease decay processes ) OR ( and decrease implicit period programming ))*.