Talvez deva tentar algumas variações de ortografia:
errors programming » error reprogramming (Expandir a busca), terrain programming (Expandir a busca), robots programming (Expandir a busca)
estimation errors » estimation methods (Expandir a busca), medication errors (Expandir a busca), estimation from (Expandir a busca)
coder estimation » model estimation (Expandir a busca), power estimation (Expandir a busca), order estimation (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 estimation errors programming ) OR ( _ python python python programming ))~.