Talvez deva tentar algumas variações de ortografia:
stacking python » teaching python (Expandir a busca), stacking method (Expandir a busca), stacking protein (Expandir a busca)
computation in » computation and (Expandir a busca), computation of (Expandir a busca), imputation in (Expandir a busca)
ladder program » leader program (Expandir a busca), master program (Expandir a busca), water program (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
in ladder » in bladder (Expandir a busca), on ladder (Expandir a busca), spin ladder (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( AND computation in ladder program ) OR ( using stacking python python programming ))~.