Perhaps you should try some spelling variations:
efficient programming » efficient processing (Expand search), fragment programming (Expand search)
lowering efficient » comparing efficient (Expand search), lowering effect (Expand search), power efficient (Expand search)
coder lowering » under flowering (Expand search), coil lowering (Expand search), or lowering (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder coder » coder decoder (Expand search), code code (Expand search), decoder codec (Expand search)

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

• Removing quotes may allow a broader search: (( coder coder lowering efficient programming ) OR ( api python python python programming ))~.