Talvez deva tentar algumas variações de ortografia:
proton channel » lepton channel (Expandir a busca), proton exchanged (Expandir a busca), proton exchanger (Expandir a busca)
channel coding » channel using (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder proton » under proton (Expandir a busca), loaded proton (Expandir a busca), cancer proton (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 proton channel coding ) OR ( in python python python programming ))~.