Talvez deva tentar algumas variações de ortografia:
factor programming » vector programming (Expandir a busca), tactode programming (Expandir a busca), motor programming (Expandir a busca)
validation factor » calibration factor (Expandir a busca), utilization factor (Expandir a busca), validity factor (Expandir a busca)
coder validation » code validation (Expandir a busca), model validation (Expandir a busca), models validation (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)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder coder validation factor programming ) OR ( _ python python python programming ))~.