Talvez deva tentar algumas variações de ortografia:
sampling method » sampling methods (Expandir a busca)
python sampling » method sampling (Expandir a busca), thin sampling (Expandir a busca), methods sampling (Expandir a busca)
moral problems » oral problems (Expandir a busca), vocal problems (Expandir a busca), social problems (Expandir a busca)
method python » method method (Expandir a busca), python python (Expandir a busca)
coder codigo » code codigo (Expandir a busca), hover codigo (Expandir a busca), code codigos (Expandir a busca)
python moral » python morelia (Expandir a busca), python module (Expandir a busca), python mysql (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder codigo python moral problems ) OR ( python sampling method python programming ))~.