Talvez deva tentar algumas variações de ortografia:
estimation algorithm » estimation algorithms (Expandir a busca), optimization algorithm (Expandir a busca), realization algorithm (Expandir a busca)
spatial estimation » optimal estimation (Expandir a busca), spatial deformation (Expandir a busca), spatial variation (Expandir a busca)
algorithm using » algorithms using (Expandir a busca), algorithm design (Expandir a busca)
using activity » nursing activity (Expandir a busca), buying activity (Expandir a busca), guiding activity (Expandir a busca)
computing in » computing and (Expandir a busca), computing _ (Expandir a busca)
activity in » activity and (Expandir a busca), activity of (Expandir a busca)
in spatial » and spatial (Expandir a busca), of spatial (Expandir a busca), _ spatial (Expandir a busca)
in python » via python (Expandir a busca), _ python (Expandir a busca), of python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Adicionar um caractere curinga pode recuperar variações da palavra buscada: computing in spatial estimation algorithm using activity in python computer*.