Talvez deva tentar algumas variações de ortografia:
robots programming » robot programming (Expandir a busca)
diffusion robots » diffusion route (Expandir a busca), diffusion problems (Expandir a busca), diffusion problem (Expandir a busca)
coder diffusion » copper diffusion (Expandir a busca), order diffusion (Expandir a busca), node diffusion (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)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder coder diffusion robots programming ) OR ( api python python python programming ))~.