Perhaps you should try some spelling variations:
fractional programming » functional programming (Expand search), nutritional programming (Expand search), paternal programming (Expand search)
decrease processes » disease processes (Expand search), defense processes (Expand search), decay processes (Expand search)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decrease sucrose (Expand search)
method fractional » method variational (Expand search)
python delta » python data (Expand search), pion delta (Expand search), python nltk (Expand search)
delta method » delphi method (Expand search), kutta method (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease in (Expand search)
or decrease » not decrease (Expand search), to decrease (Expand search), _ 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 OR decrease decrease processes ) OR ( python delta method fractional programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease or decrease decrease processes ) OR ( python delta method fractional programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease or decrease decrease processes ) OR ( python delta method fractional programming ))*.