Talvez deva tentar algumas variações de ortografia:
ring programming » during programming (Expandir a busca), ranking programming (Expandir a busca), single programming (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder convex » closed convex (Expandir a busca), or convex (Expandir a busca), some convex (Expandir a busca)
coder coder » coder decoder (Expandir a busca), code code (Expandir a busca), decoder codec (Expandir a busca)
convex ring » convex risk (Expandir a busca), convex minlp (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 convex ring programming ) OR ( in python python python programming ))~.