Talvez deva tentar algumas variações de ortografia:
machine programming » teaching programming (Expandir a busca), reactive programming (Expandir a busca), cone programming (Expandir a busca)
rotating machine » rotating machines (Expandir a busca), rotating machinery (Expandir a busca), voting machine (Expandir a busca)
closed rotating » charged rotating (Expandir a busca)
python coding » action coding (Expandir a busca), python code (Expandir a busca)
coding python » codigo python (Expandir a busca), codigos python (Expandir a busca), using python (Expandir a busca)
python closed » python based (Expandir a busca), python code (Expandir a busca), within closed (Expandir a busca)
coder python » codigo python (Expandir a busca), compra python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( coder python coding python programming ) OR ( python closed rotating machine programming ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( coder python coding python programming ) OR ( python closed rotating machine programming ))*.