Talvez deva tentar algumas variações de ortografia:
sampling preventive » adopting preventive (Expandir a busca), gambling prevention (Expandir a busca), aging preventive (Expandir a busca)
preventive program » prevention program (Expandir a busca), prevention programs (Expandir a busca), incentive program (Expandir a busca)
coder sampling » under sampling (Expandir a busca), over sampling (Expandir a busca), core sampling (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)
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 sampling preventive program ) OR ( in python python python programming ))~.