Talvez deva tentar algumas variações de ortografia:
cnc programming » conic programming (Expandir a busca), cone programming (Expandir a busca), and programming (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder robots » soccer robots (Expandir a busca), steer robots (Expandir a busca)
coder coder » coder decoder (Expandir a busca), code code (Expandir a busca), decoder codec (Expandir a busca)
robots cnc » robots in (Expandir a busca), robots and (Expandir a busca), robots on (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder coder robots cnc programming ) OR ( api python python python programming ))~.