Talvez deva tentar algumas variações de ortografia:
and programming » _ programming (Expandir a busca), goal programming (Expandir a busca)
coder addition » copper addition (Expandir a busca), powder addition (Expandir a busca), alder addition (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
addition and » addition on (Expandir a busca), addition in (Expandir a busca), addition of (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 addition and programming ) OR ( _ python python python programming ))~.