Talvez deva tentar algumas variações de ortografia:
duplication problem » lubrication problems (Expandir a busca), equalization problem (Expandir a busca), location problem (Expandir a busca)
python duplication » python application (Expandir a busca), python applications (Expandir a busca), the duplication (Expandir a busca)
coder decoder » encoder decoder (Expandir a busca), video decoder (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (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 decoder python duplication problem ) OR ( in python python python programming ))~.