Talvez deva tentar algumas variações de ortografia:
crossing experiments » using experiments (Expandir a busca), breeding experiments (Expandir a busca), teaching experiments (Expandir a busca)
experiments cnc » experiments in (Expandir a busca), experiments and (Expandir a busca), experiments on (Expandir a busca)
cnc programming » conic programming (Expandir a busca), cone programming (Expandir a busca), and programming (Expandir a busca)
coder crossing » border crossing (Expandir a busca), border crossings (Expandir a busca), borders crossing (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)
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 ( coder crossing experiments cnc programming ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( coder python coding python programming ) OR ( coder crossing experiments cnc programming ))*.