Perhaps you should try some spelling variations:
software verification » software validation (Expand search)
verification program » certification program (Expand search), diversification program (Expand search), certification programs (Expand search)
decrease processes » disease processes (Expand search), decay processes (Expand search)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decrease sucrose (Expand search)
python software » pixton software (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), increase rate (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease rate decrease decrease processes ) OR ( python python software verification program ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease rate decrease decrease processes ) OR ( python python software verification program ))*.