Perhaps you should try some spelling variations:
decrease computer » decreased compared (Expand search), database computer (Expand search), case computer (Expand search)
computer programs » computer program (Expand search)
costing methods » costing method (Expand search)
python costing » python coding (Expand search)
methods python » methods action (Expand search), pythons python (Expand search), methods method (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)

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

• Removing quotes may allow a broader search: (( decrease rate decrease computer programs ) OR ( python costing methods python programming ))~.