Talvez deva tentar algumas variações de ortografia:
coder perfusion » modern perfusion (Expandir a busca), under perfusion (Expandir a busca), liver perfusion (Expandir a busca)
c programming » _ 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)
coder coder » coder decoder (Expandir a busca), code code (Expandir a busca), decoder codec (Expandir a busca)
perfusion c » perfusion ct (Expandir a busca), perfusion _ (Expandir a busca), perfusion in (Expandir a busca)
and python » in python (Expandir a busca), on python (Expandir a busca), api python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder coder perfusion c programming ) OR ( and python python python programming ))~.