Perhaps you should try some spelling variations:
improving database » improving data (Expand search)
database program » datamine program (Expand search), database proposal (Expand search), database from (Expand search)
coder improving » codegen improving (Expand search), conquer improving (Expand search), models improving (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 improving database program ) OR ( api python python python programming ))~.