Talvez deva tentar algumas variações de ortografia:
spectrum approximation » term approximation (Expandir a busca), medium approximation (Expandir a busca)
elastic expression » plastic expression (Expandir a busca), artistic expression (Expandir a busca), relative expression (Expandir a busca)
coding computation » modeling computation (Expandir a busca), coding computacao (Expandir a busca), mobile computation (Expandir a busca)
expression coding » compression coding (Expandir a busca), expression using (Expandir a busca), expression during (Expandir a busca)
algorithms in » algorithms and (Expandir a busca), algorithms _ (Expandir a busca), algorithms to (Expandir a busca)
routine and » routines and (Expandir a busca), routing and (Expandir a busca), route and (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Caso esteja tentando utilizar os operadores booleanos, deve escrevê-los em Letras MAIÚSCULAS: routine AND spectrum approximation algorithms in elastic expression coding computation~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: routine and spectrum approximation algorithms in elastic expression coding computation*.