Perhaps you should try some spelling variations:
efficient programming » efficient processing (Expand search), fragment programming (Expand search)
decrease efficient » decrease coefficient (Expand search), increase efficiency (Expand search), increased efficiency (Expand search)
roads decrease » foods decreases (Expand search), goods decreases (Expand search), rate decrease (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
cost roads » cross roads (Expand search), costa roas (Expand search), forest roads (Expand search)
python api » python and (Expand search)

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

• Removing quotes may allow a broader search: (( cost roads decrease efficient programming ) OR ( python api python python programming ))~.