Talvez deva tentar algumas variações de ortografia:
and approximation » an approximation (Expandir a busca), une approximation (Expandir a busca), pade approximation (Expandir a busca)
algorithms in » algorithms and (Expandir a busca), algorithms _ (Expandir a busca), algorithm _ (Expandir a busca)
elasticity in » elasticity and (Expandir a busca), elasticity of (Expandir a busca), elasticity _ (Expandir a busca)
plasticity in » plasticity and (Expandir a busca), plasticity of (Expandir a busca), plasticity index (Expandir a busca)
routine and » routines and (Expandir a busca), routing and (Expandir a busca), routine care (Expandir a busca)
and and » land and (Expandir a busca), sand and (Expandir a busca), hand and (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Fazer uma busca fuzzy pode resultar em termos de grafias semelhantes: routine and and approximation algorithms in ((elasticity in) OR (plasticity in)) python computer~.
• Caso esteja tentando utilizar os operadores booleanos, deve escrevê-los em Letras MAIÚSCULAS: routine AND and approximation algorithms in ((elasticity in) OR (plasticity in)) python computer*.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "routine and and approximation algorithms in ((elasticity in) OR (plasticity in)) python computer*".