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)
power switch » power switches (Expandir a busca), power swing (Expandir a busca), power swings (Expandir a busca)
coder power » poder power (Expandir a busca), modern power (Expandir a busca), couter power (Expandir a busca)
switch cnc » switch in (Expandir a busca), switch and (Expandir a busca), switch on (Expandir a busca)
of python » _ python (Expandir a busca), in python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder power switch cnc programming ) OR ( of python python python programming ))~.