Talvez deva tentar algumas variações de ortografia:
machine programming » teaching programming (Expandir a busca), reactive programming (Expandir a busca), cone programming (Expandir a busca)
stepped machine » stepping machine (Expandir a busca)
coder stepped » over stepped (Expandir a busca), bonded stepped (Expandir a busca), novel stepped (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder coder » coder decoder (Expandir a busca), code code (Expandir a busca), decoder codec (Expandir a busca)
in python » _ python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder coder stepped machine programming ) OR ( in python python python programming ))~.