Perhaps you should try some spelling variations:
decrease difference » disease differences (Expand search), creates difference (Expand search), discourse difference (Expand search)
difference program » different program (Expand search), conference program (Expand search), different programs (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), ratio decrease (Expand search), rate increase (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.

• Removing quotes may allow a broader search: (( decrease rate decrease difference program ) OR ( python _ python python programming ))~.