Perhaps you should try some spelling variations:
coder compra » poder compra (Expand search), poder comprar (Expand search), compra compra (Expand search)
node problem » nodal problem (Expand search), ride problem (Expand search), some problem (Expand search)
python node » python code (Expand search), python module (Expand search), python redes (Expand search)
python and » python based (Expand search)
and java » and japan (Expand search), in java (Expand search), and jail (Expand search)

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

• Removing quotes may allow a broader search: (( coder compra python node problem ) OR ( python and java python programming ))~.